warden
n. countablen. a person whose job is to make sure that rules are followed in a specific place. This could be a park, a prison, or a college building.
n. an official responsible for the supervision of a particular place or the enforcement of specific regulations. Often used in the context of prisons, nature reserves, or academic institutions.
The park warden told us we could not start a fire here.
The traffic warden issued several tickets to cars parked in the emergency lane during the festival.
As the senior warden of the college, he was responsible for both the physical security of the grounds and the general welfare of the resident students.
Commonly used in compound nouns such as 'traffic warden', 'game warden', or 'prison warden'.