@Lexialex There are a few. I don't know who octodon.social has or hasn't blocked, so I can't speak to your odds of encountering a regular person vs troll garbage.
(for anyone not knowing why we are wary of such things:
https://www.theringer.com/2016/8/9/16046698/anonymous-twitter-trolls-anime-avatars-harassment-4chan-8578d36b2920-8578d36b2920)