Parasitismв [exclusive] -

Live on the outside of the host, like fleas, ticks, and leeches.

Many creators use the Scape and Run: Parasites mod, which turns a world into a survival horror experience where parasitic organisms evolve and consume the environment. ParasitismВ [Exclusive]

The term also appears in the gaming community, specifically relating to or competitive play. Live on the outside of the host, like