| Castellan (n.) A governor or warden of a castle. Thesaurus Entries air warden, attendant, captain, caretaker, chatelain, chatelaine, commandant, commander, conservator, curator, custodian, director, executive, forest ranger, game warden, gamekeeper, governor, guardian, guardian angel, intendant, janitor, keeper, lifeguard, lifesaver, manager, master, next friend, prochein ami, ranger, ruler, shepherd, steward, warden, warder |