If user is owner of project it cant be removed from this project

app/models/users_project.rb

@@ -110,4 +110,8 @@ class UsersProject < ActiveRecord::Base
   def access_field
     project_access
   end
+
+  def owner?
+    project.owner == user
+  end
 end

app/views/admin/projects/show.html.haml

@@ -102,6 +102,9 @@
             %strong
               = link_to user.name, admin_user_path(user)
             .pull-right
+              - if users_project.owner?
+                %span.light Owner
+              - else
                 %span.light= users_project.human_access
                 = link_to admin_project_member_path(@project, user), confirm: remove_from_project_team_message(@project, user), method: :delete, class: "btn btn-small btn-remove" do
                   %i.icon-remove

app/views/admin/users/show.html.haml

@@ -90,6 +90,9 @@
 
             - if tm
               .pull-right
+                - if tm.owner?
+                  %span.light Owner
+                - else
                   %span.light= tm.human_access
                   = link_to admin_project_member_path(project, tm.user), confirm: remove_from_project_team_message(project, @user), method: :delete, class: "btn btn-small btn-remove" do
                     %i.icon-remove