app/views/users/_header.html.erb
<% content_for :title do %>
<h1 class="project-banner">
<%= avatar_for(user, size: 132) %>
<%= user.name %>
<small>
<%= link_to("Show", user_path(user)) unless current_page?(user_path(user)) %>
<%= link_to("Edit", edit_user_path(user)) if can?(:update, user) && !current_page?(edit_user_path(user)) %>
</small>
</h1>
<% end %>