A person who guards a place, such as a gate, building, or entrance. Often used for a security guard or sentry.
門のところに番人が立っていた。
A guard was standing at the gate.
夜間は番人が見回りをしている。
At night, a watchman patrols the area.
番人 is a general term for a guard or watchman over any place, while 留守番 specifically refers to someone staying home to look after the house while the residents are out.
番人 specifically refers to the person who guards or watches, whereas 見張り can denote either the act of watching or the watcher.
番人 (ばんにん) means 'guard, watchman' and sounds identical to one reading of 万人, but the two words are unrelated in meaning.
nuclear watchdog; IAEA
Standard kanji spelling for 'guard' or 'watchman'.
Compound of 番 (ban, 'watch' or 'guard') and 人 (nin, 'person'). The reading ばんにん follows standard on'yomi.