見み張はり役やく

noun

lookout; guard; person on watch

Refers to the role or duty of keeping watch, often in a security or surveillance context. Can mean the person assigned to this task or the duty itself.

• 彼かれは銀ぎん行こう強ごう盗とうの見み張はり役やくをしていた。

  He was acting as the lookout for the bank robbery.

• 見み張はり役やくを交こう代たいする時じ間かんだ。

  It's time to change the guard duty.