reliefsentry
nounUK /rɪˈliːfˌsɛntri/
US /rɪˈliːfˌsɛntri/
A reliefsentry is a guard who takes over for another guard.
The reliefsentry arrived at midnight to take the tired guard's place.
RELATED WORDS
OTHER MEANINGS
2. A person who watches over something while someone else rests.
She acted as a reliefsentry for the night nurse.
3. A backup watcher posted at a gate or door.
The reliefsentry checked every visitor's badge at the gate.
4. A temporary guard on duty during a break in the schedule.
During lunch, a reliefsentry stood at the entrance.