- One who keeps watch
- Sent in the Spanish guard
- Sentry
- Soldier on guard
- Watchman
- One who watches or guards; specifically (Mil.), a soldier
set to guard an army, camp, or other place, from surprise, to observe
the approach of danger, and give notice of it; a sentry.
- Watch; guard.
- Guard duty
- Keep an eye on
- Keep under observation
- Look after
- Look at night patrol
- Sentry duty
- Stopwatch