[Answered ]-Django what variables available in a template .html file?

This is the name defined to refer to the user object (hard to expect something else)

Here you can find every fields of this User object

You can use {% debug %} to inspect the context and A LOT of other informations, and this link can help you to find a specific keyword to use in the templates.

Check this post too, especially for the following line (helpful to inspect the debug output) :

 {% filter force_escape %} {% debug %} {% endfilter %}