Although I'm an internet oldtimer I'm rather inexperienced when it comes to so-called social networks. I've been learning mastodon's community rules while on the go since I've joined. I'd be happy if the following might turn out to be useful for you.
#TIL
Following somebody actually has two meanings.
1. The person wants to see postings by the followed account in their home feed (like with followed hashtags).
2. They're giving the followed account consent to comment on anything they post.
1/