ranger
n. countablen. a person whose job is to look after a forest or a large park. They make sure people follow the rules and protect the animals and plants.
n. an official responsible for the management and protection of a forest, park, or area of countryside. Often used in a military context to describe a member of a specialized infantry unit.
The park ranger told us where to camp safely.
After the heavy storm, the forest ranger spent the morning clearing fallen branches from the main hiking trails.
The national park employs several rangers to monitor the local wildlife populations and ensure that visitors adhere to strict conservation guidelines during the peak tourist season.
Often capitalized when used as a formal job title before a name.