diff --git a/app/assets/javascripts/app/people/activity.html.erb b/app/assets/javascripts/app/people/activity.html.erb
index 9c5276bc2..65715a571 100644
--- a/app/assets/javascripts/app/people/activity.html.erb
+++ b/app/assets/javascripts/app/people/activity.html.erb
@@ -73,6 +73,36 @@
         <div ng-show="current_person.id == person.id" class="text-center">
           <a href="/settings" class="btn btn-default btn-long border-gunmetal">Edit Your Profile</a>
         </div>
+
+        <div ng-show="current_person.id != person.id" class="text-center" ng-switch="report_user_form.state">
+          <div class="alert alert-danger" ng-if="report_user_form.error">
+            {{report_user_form.error}}
+          </div>
+          <div ng-switch-when="hidden">
+            <button ng-click="report_user_form.show()" class="mt-3 btn btn-long btn-danger">Report This Account</button>
+          </div>
+          <form ng-switch-when="shown" class="form-horizontal ng-pristine ng-valid" ng-submit="report_user_form.submit()">
+            <label class="col-xs-12 control-label">Reason</label>
+            <!--select class="col-xs-12 mt-3" ng-model="report_user_form.data.report_reason" ng-options="item for item in report_user_form.reasons">
+            </select-->
+            <div class="btn-group mt-3">
+              <span ng-repeat="reason in report_user_form.reasons" ng-click="selectReportReason(reason)" class="btn btn-sm btn-light-blue btn-outline" ng-class="{active: reason == report_user_form.data.report_reason}">
+                {{ reason }}
+              </span>
+            </div>
+            <label class="col-xs-12 control-label">Comment</label>
+            <div class="col-xs-12 mt-3">
+              <textarea class="form-control ng-pristine ng-valid" ng-model="report_user_form.data.note" placeholder="Provide some additional information." rows="4"></textarea>
+            </div>
+            <div>
+              <button type="submit" class="mt-3 btn btn-light-blue">Submit</button>
+              <button ng-click="report_user_form.cancel()" class="mt-3 btn btn-danger">Cancel</button>
+            </div>
+          </form>
+          <div ng-switch-when="submitted">
+            <button class="mt-3 btn btn-long btn-default disabled">Reported</button>
+          </div>
+        </div>
       </div>
     </div>
   </div>
diff --git a/app/assets/javascripts/app/people/activity.js b/app/assets/javascripts/app/people/activity.js
index 502f111b0..8c52f9c72 100644
--- a/app/assets/javascripts/app/people/activity.js
+++ b/app/assets/javascripts/app/people/activity.js
@@ -3,6 +3,9 @@ angular.module('app').controller('PeopleShow', function ($scope, $routeParams, $
     $location.url("/teams/bountysource").replace();
   }
 
+  // shortcut
+  var person_id = $routeParams.id;
+
   $api.person_get($routeParams.id).then(function(person) {
     $pageTitle.set(person.display_name, 'Profile');
 
@@ -12,10 +15,68 @@ angular.module('app').controller('PeopleShow', function ($scope, $routeParams, $
     return person;
   });
 
-  $scope.events = Timeline.query({ per_page: 30, person_id: $routeParams.id });
+  $scope.events = Timeline.query({ per_page: 30, person_id: person_id });
 
   $api.person_teams($routeParams.id).then(function(teams) {
     $scope.teams = teams;
     return teams;
   });
+
+  var report_user_form = $scope.report_user_form = {
+
+    state: "hidden",
+
+    // where all the form data is stored
+    data: {},
+
+    // report reasons
+    reasons: ['spam', 'abuse', 'fraud', 'other'],
+
+    // if not logged in, send to login, else show form
+    show: function() {
+      if ($scope.current_person) {
+        report_user_form.previous_data = angular.copy(report_user_form.data);
+        report_user_form.state = "shown";
+      } else {
+        $api.set_post_auth_url($location.url());
+        $location.url("/signin");
+      }
+    },
+
+    // disappear the form
+    hide: function() {
+      report_user_form.state = "hidden";
+    },
+
+    // disappear the form and restore previous data
+    cancel: function() {
+      report_user_form.data = report_user_form.previous_data;
+      report_user_form.error = null;
+      report_user_form.hide();
+    },
+
+    // submit report
+    submit: function() {
+      report_user_form.error = null;
+      var data = { person_id: person_id, reason: report_user_form.data.report_reason, note: report_user_form.data.note};
+      $api.person_report(person_id, data).then(report_user_form.report_callback);
+    },
+
+    report_callback: function(response) {
+      if (response && response.error) {
+        report_user_form.error = response.error;
+      } else {
+        report_user_form.state = "submitted";
+      }
+    },
+
+  };
+
+  $scope.selectReportReason = function(reason){
+    $scope.report_user_form.data.report_reason = reason;
+  };
+
+  $scope.report_user_form.data = {};
+  $scope.report_user_form.data.report_reason = report_user_form.reasons[0];
+
 });
diff --git a/app/assets/javascripts/common/services/api.js.erb b/app/assets/javascripts/common/services/api.js.erb
index ab953c567..8db8acd07 100644
--- a/app/assets/javascripts/common/services/api.js.erb
+++ b/app/assets/javascripts/common/services/api.js.erb
@@ -856,6 +856,10 @@ angular.module('services').config(function($httpProvider) {
     return this.call("/people/"+person_id+"/teams");
   };
 
+  this.person_report = function(person_id, data) {
+    return this.call("/people/"+person_id+"/report", "POST", {report: data} );
+  };
+
   this.followed_trackers = function() {
     return this.call('/trackers/followed');
   };
diff --git a/app/controllers/api/v1/people_controller.rb b/app/controllers/api/v1/people_controller.rb
index 8521eba4b..4c97f1778 100644
--- a/app/controllers/api/v1/people_controller.rb
+++ b/app/controllers/api/v1/people_controller.rb
@@ -1,5 +1,5 @@
 class Api::V1::PeopleController < ApplicationController
-  before_action :require_auth,    except: [:recent, :profile, :activity, :login, :create, :reset_password, :request_password_reset, :interesting, :count, :teams, :email_registered]
+  before_action :require_auth,    except: [:recent, :profile, :activity, :login, :create, :reset_password, :request_password_reset, :interesting, :count, :teams, :email_registered, :report]
   before_action :require_profile, only:   [:profile, :activity, :teams]
 
   # show all of the authenticated user's info
@@ -339,6 +339,14 @@ def set_languages
     head :ok
   end
 
+  # report account
+  def report
+    report = Hash.new
+    params[:report].each { |k, v| report[k.to_sym] = v }
+    @person.send_email(:report_account, report: report)
+    head :ok
+  end
+
 protected
 
   def person_params
diff --git a/app/mailers/mailer.rb b/app/mailers/mailer.rb
index a209f639f..7634d01af 100644
--- a/app/mailers/mailer.rb
+++ b/app/mailers/mailer.rb
@@ -738,4 +738,14 @@ def cash_out_payment_sent(options)
     mail(to: @person.email, subject: 'Your cash out has been processed')
   end
 
+  def report_account(options)
+    @person = options[:person]
+    @report = options[:report]
+
+    mail(to: self.default_params[:from], cc: @person.email, subject: "Account activity report") do |format|
+      format.text
+      format.html
+    end
+  end
+
 end
diff --git a/app/views/mailer/report_account.html.erb b/app/views/mailer/report_account.html.erb
new file mode 100644
index 000000000..fbcf8bd52
--- /dev/null
+++ b/app/views/mailer/report_account.html.erb
@@ -0,0 +1,15 @@
+<p>
+Activity report of the account: <a href="<%= Api::Application.config.www_url %>/users/<%=@report[:person_id]%>"><%=@report[:person_id]%></a>
+</p>
+
+<p>
+From: <a href="<%=@person.frontend_url%>"/>
+</p
+>
+<p>
+<b>Reason:</b> <%=@report[:reason]%>
+</p>
+
+<p>
+<b>Comment:</b> <%=@report[:note]%>
+</p>
diff --git a/app/views/mailer/report_account.txt.erb b/app/views/mailer/report_account.txt.erb
new file mode 100644
index 000000000..21ad2b92f
--- /dev/null
+++ b/app/views/mailer/report_account.txt.erb
@@ -0,0 +1,8 @@
+Activity report of the account: <%= Api::Application.config.www_url %>/users/<%=@report[:person_id]%>
+
+From: <%=@person.frontend_url%>
+
+Reason: <%=@report[:reason]%>
+
+Comment: <%=@report[:note]%>
+
diff --git a/config/routes.rb b/config/routes.rb
index 968fdc899..a7b04563f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -270,6 +270,7 @@
           get 'people/:profile_id/teams', action: :teams
           get 'people/:profile_id/activity', action: :activity
           get 'projects', action: :projects
+          post 'people/:profile_id/report', action: :report
 
           get :my_languages, action: :languages
           post :my_languages, action: :set_languages