One who ranges; a rover; sometimes, one who ranges for plunder; a roving robber.
- A wanderer; a rover.
- A member of an armed troop employed in patrolling a specific region.
- A member of a group of U.S. soldiers specially trained for making raids either on foot, in ground vehicles, or by airlift.
- A warden employed to maintain and protect a natural area, such as a forest or park.
- Chiefly British The keeper of a royal forest or park.