sentry Synonyms

lookout man picket scout sentinel lookout spotter watch watches watcher watchdog warder prison warden warden ward vigil Watchmen watchman patrols watch person watchtower belvederes watchkeeper watchperson patroller night watchman border patrol lighthouse keeper stand guard invigilate security guard pinscher vedette turnkey guardship guards guardian guard galloper flagman defender custodian concierge centry captor guardsman hayward spial signalman protector patrolman patrol