A person who patrols a park or forest to protect the natural environment and ensure the safety of visitors. The ranger gave us a map and advised us to stay on the marked trails.
A member of a military or paramilitary unit trained for rapid deployment and specialized operations. The ranger was deployed to the remote area to carry out a reconnaissance mission.
A member of a group of mounted troops or police, especially in the southwestern United States. The Texas Ranger was known for his bravery and dedication to law enforcement.
A person who roams or ranges over an area; a wanderer or rover. Frontier life attracted many a lone ranger who drifted from place to place.