A griefer or bad-faith player is a player in a multiplayer video game who deliberately irritates and harasses other players within the game (trolling), by using aspects of the game in unintended ways, such as destroying something another player made or built. A griefer derives pleasure primarily, or exclusively, from the act of annoying other users, and as such, is a particular nuisance in online gaming communities. To qualify as griefing, a player must be using aspects of the game …