watchman

1 a person or group that watches over someone or something hired a watchman to patrol the factory at night Synonyms custodian, guardian, keeper, lookout, minder, picket, sentinel, sentry, warden, warder, watch, watcher, guardRelated Words observer, patrol, spotter, surveillant, watchdog; bodyguard, convoy, defender, escort, honor guard; gatekeeper; hack [slang]

2 a person who takes care of a property sometimes for an absent owner a watchman lives next door to scare off prowlers Synonyms caretaker, guardian, janitor, keeper, warden, custodianRelated Words cocurator, curator; sexton, steward