I'm thinking of exposing my buddies reddit account to our other buddies
Do you have any reason to betray them like that?
Yes and I feel really bad about the situation
I'm not sure why you want to reveal secrets. It's not right to betray your friends who trust you.
I don't see any issue with it with or without my friends.
Your friend trusts you, so you should not betray him. He is going to be so upset when he finds out that you exposed his account. He might not ever trust you again.