身銭 みぜに
mizenio kiru

Godan Verb (ru)
Expression

1. to use one's own money; to pay for from one's own pocket

かれ けっして身銭 みぜに るような ひとではない。
karewa kesshite mizenio kiru yōna hitodewanai.
He is the last person to pay out of his own pocket.