_thing.html.erb

<li><%= thing['name'] %></li>

my_action.html.erb

<ul>
<%= render partial: 'thing', collection: @things %>
</ul>

SomeController.rb

class SomeController <  ApplicationController
  def my_action
    @things = [ {'name' => 'Matt'},
                 {'name' => 'Ashe'}]
  end
end