Griefing is the term used to describe the act of one player hassling another player. This can be as simple as someone trying to obscure someone else's view with their own character, or as bad as pulling mobs onto someone, or even preventing someone from achieving their goals (like killing quest-givers).
- Corpse Camping
- Ninja looting
- Spamming
- Harrasment
- Spreading false information about that player
- Kill stealing