noun, noun or participle which takes 'suru'
watching over luggage; keeping an eye on belongings
Refers to the act of guarding or watching over someone's bags or belongings, often in a public place, to prevent theft. Can be used as a noun or with する.
駅で友達の荷物番をした。
I watched my friend's luggage at the station.
ちょっと荷物番しててくれる？
Can you keep an eye on my stuff for a bit?
見張り is a more general term for watching or standing guard, often for security or surveillance, while 荷物番 specifically refers to watching over luggage or belongings.
Compound of 荷物 (にもつ, 'luggage') and 番 (ばん, 'watch, guard').