warder Synonyms

supervising officer watchman watchdog watch warden turnkey trustee steward sentry sentinel screw ranger bradawl invigilate prison warder prison warden prison officer janitorial groundskeeper corrections officer correctional officer goalie prison guard jailor caretaker protector preserver gaoler gamekeeper doorkeeper custodian curator conservator concierge commandant chisel castellan attendant governor guard porter picket overseer outguard lookout keeper janitor jailer guards guardian