IvanN777

joins('users initiators on initiators.id = initiator_id').where('initiators.name LIKE ...')

<% @user.ecategories.group_by{|e| e.parent_id}.each do |parent, ecategories| %>
                <%= link_to Ecategory.find(parent).name %>
              <ul class="user_category_ul">
                <% ecategories.each do |ecategory| %>
                  <%= ecategory.name %>,
                  <% end %>
              </ul>
              <% end %>