what is a troller?
A 'Troll' AKA Internet Troll is someone who Bullys someone on the internet for there own pleaseure. How do you avoide them? You can't, No matter where you go someone wants to make you mad just for the hell of it.
All you got to do is simply don't reply / respond to there message.
Rule 14: Do not argue with trolls - it means that they win.
So bacily They want you see you get mad, don't reply to them and they simply go away in time.
"RULE 14: By responding to trollbait in an online forum or chatroom, the troller automatically gains victory regardless of the level of maturity of the bait or subsequent responses to said bait."
Well, unless it bans his as* so hard that he'll never come back again, regardless on how many different names he uses to try to join(it's possible, computer codes are tracible ya know)