These are players that do nothing useful for RuneScape and make the game annoying to play, but are not necessarily on the same level as griefers.
“A Scavenger (also known as a looter) is someone who collects drops from other people's kills in...Scavenger
“An Arrow collector (also arrow stealer) is a form of a Scavenger that picks up arrows discarded...Arrow collector
“Sargophagus Pests are pests found while playing Pyramid Plunder. These players are generally...Sargophagus Pest
“An Abyssal player killer is someone who disrupts players RuneCrafting in the Abyss. Sometimes...Abyssal Pker
“In Runescape, the term free-loader describes a personally who rarely completes action in the...Free loaders
“A Kill Thief (or Kill Stealer) is a player that takes what players may call "their training...Kill Thief
“If or when a player buries a bone and a shade or zombie pops up (or any other random event...Door Opener