I'm suffering the visit of this spammer too
I stream everyday and it started a couple of weeks ago but she (it's a girl because once after banning girl and we talking about her as a guy he came again and said hey, I'm a girl)'s been coming more and more to the point that she comes several times the same day. It's very annoying so I decided to take a loofa at the forums here.
I noticed if she leaves before I can ban her I can't do it so I'm forced to clear all the messages to clean the spam.
And sometimes I try to ban her and I got the same message other user told "you can't ban a moderator of this chat".
My channel is: isrartistic
I hope you can solve this, thank you