warden

Short definition from Wiktionary

Noun

1. 1
   A guard or watchman.
2. 2
   A chief administrative officer of a prison.
3. 3
   An official charged with supervisory duties or with the enforcement of specific laws or regulations; such as a game warden or air-raid warden.
4. 4
   A governing official in various institutions
5. 5
   A variety of pear.

Verb

1. 1
   To carry out the duties of a warden.

Proper noun

1. 1
   A surname originating as an occupation for a warden.
2. 2
   A village and civil parish in south Northumberland, England (OS grid ref NY9166).