A griefer is a player in a multiplayer video game who deliberately irritates and harasses other players within the game, using aspects of the game in unintended ways. 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, since griefers often cannot be deterred by penalties related to in-game goals. In the culture of massively multiplayer online role-playing games (MMORPG) in Taiwan, such as Lineage, griefers are known as "white-eyed"—a metaphor meaning that their eyes have no pupils and so they...