From Fedora Project Wiki

The Fedora Ambassadors program is currently undergoing a revamp. More details can be found at [1].
This is not the Ambassadors Join Start Page, go there first!

Once your mentor has approved you, it is helpful to the FAmA administrator to have you request group membership.

Join the Ambassadors group in FAS

Visit the Ambassadors group in the Fedora Account System and apply.

Performing this step is optional. If you do not perform this step, the FAmA administrator will.