Fediverse server admins could be any of the three Lawful ones. Mostly Lawful Evil though.
Discussion
Anyone who can run a server on fediverse could run a nostr relay (2¢)
The difference is that a fediverse admin owns your account and all your data. When they ban you, they get a perverse little dopamine hit like they’ve made the world a better place by executing your digital presence.
As a Nostr relay admin, at best they shrug and say “not for me” and let you operate elsewhere