sentry Synonyms

lookout sentinel guardian scout protector picket watchman lookout man security guard guard custodian warden watch spotter watchdog watcher warner warder pinscher guard dog watches Watchmen invigilate stand guard watch officer prison warden patrols watch person watchtower belvederes watchkeeper watchperson patroller border guard bashibazouk night watchman border patrol lighthouse keeper ward guardsman guardship guards guardant galloper flagman duty detainer defender concierge centry cautioner