also: よばん
night watch; night sentry
Refers to the duty or person keeping watch at night, often in a guard or security context.
Working the night watch is a battle against drowsiness.
Every night, he patrols the warehouse as a night sentry.
Standard kanji spelling. Both readings やばん and よばん are used, with やばん being more common.
Alternate reading, less common than やばん but still encountered.
Compound of 夜 (night) and 番 (watch, guard). The reading やばん uses the on'yomi of both characters, while よばん uses the kun'yomi for 夜 and on'yomi for 番.