/ˈwɔːrdn/

war·den

BrE /ˈwɔːdn/

NAmE /ˈwɔːrdn/

a person who is responsible for taking care of a particular place and making sure that the rules are obeyed

a forest warden

(BrE) the warden of a youth hostel

➡  see also churchwarden, dog warden, game warden, traffic warden

(especially NAmE)

the person in charge of a prison

(in Britain), a title given to the head of some colleges and institutions

the Warden of Wadham College, Oxford