Only Superadmins can add and edit "users". A user is basically a Castopod user with login data. The superadmin needs to add a new user, as soon as a podcaster wants to join.
Add the role "podcaster" to the new user.
CONTRIBUTOR - Podcast Administration Level
Superadmin has to add the new created user to their podcast. Otherwise they can't edit it. Give role "Admin"
PERSONS - BTC Podcasting Administration Level
Persons are episode guests, or audio editors
only Superadmins can create Persons
PERSONS - Podcast Administration Level
After the Superadmin has added new Persons to the BTC Podcasting system Contributers / Podcasters can add the person to their podcast and or episode and attach a role like Co-Host or Audio Engineer etc.