sentry

• Человек, часто солдат или охранник, нанятый для наблюдения за каким-либо ожидаемым событием или опасностью.

A person, often a soldier or guard, employed to keep watch for some anticipated event or danger.

1. Guard or WatchpersonB2formal

   A person, especially a soldier, who is stationed to keep watch and guard against danger or unauthorized entry.

   Часовой

   • The sentry stood alert at the gate all night.
   • A sentry patrols the perimeter of the military base.
   • The general ordered the sentry to report any suspicious activity.

   Synonymsguardlookoutpicketsentinelwatchwatchman