No need to worry. At first, this guy only brings problems. He is the one, who literally destroyed Abandon hope union, the strongest union of towns in the beginning of the game.
At second, he posted it on town forum. He was attacked twice, one time at 2 PM (he posted first post) and second time at 6 PM (he posted second post and was very angry, because he was knocked out.
What does that mean? He was attacked and because he gave attacker a lot of money or exp, he was attacked second time. It is his fault for not going to sleep, when he was injured.
Forums are not very lively, but that is not necessary. There are other ways, like sending lettler to town leaders etc. Town is for helping you, not for solving your problems.