Thanks Paul. I did find https://wordpress.org/extend/plugins/shibboleth/, but installing it broke my .htaccess file for some reason (I couldn’t log back in to the site). I had installed 1.2.7, 3.0.4.
From a gambling perspective, I guess. The idea is that offline users can challenge each other to a real game, predict the score, and then confirm the final result which will show up as a status update.
Hmm… so apparently you can change the “friends,” “groups,” “members,” etc. slugs to be a different name, but I’m still not sure how to change the word “join” to something like “follow.”