Griefers: the dark side of gaming

His objective is simple: Make life hell for anyone unlucky enough to be playing with him. He’s a griefer.

A griefer is a player bent on purposely frustrating others during a multiplayer game. We found a griefer willing to shed some light on the dark side of gaming. He agreed to reveal some of his tricks on the condition that we keep his identity private.

Source:
Griefer in videogames

There are no grief players, only players that grief.

in design terms it seems to boil down to whether one attempts to design grief out of a game (change people’s behaviour) or to discourage griefers (change the people).

source:
Terra Nova