I don't think that the fact yellow mobs are being taken should really be in any point of the argument of people posting, we all know that's fair game, but this dude is stalking this party. This guy should be placed in jail because of harassment, that little dialog he said to the OP proves he's just being a dick face and intentionally hurting the cleaver and everyone who is there for the exp. So one guy is hurting 18 people and nothing is really being done about it by the system. Sometimes I seriously hate people on FF and the GM system fails most of the time.
-nice to see your bright face again. <- Stalking
-it seems you and ur friends dont learn ^^, guess history will repeat itsself <- saying he's harassed them before
-not gonna be nice, ^^ <- Like wtf? premeditating his actions and telling the person he is going to harass them now.
-thats it
-last straw
-no more nice galka
-Tried to warn you <- He shouldn't be warning them of anything, they can play the game how ever the hell they want
If this wasn't harassment, and just the taking of mob, the dude wouldn't have said anything at all to the OP. Why the hell would you say any of this to someone, if you were just going to take the mob, with out the intention of harassment?