情婦
じょ
う
ふ
Meanings
1
dated term
Dated term for a woman in an extramarital relationship, often financially supported by a man. The male counterpart is 情夫 (じょうふ).
See also: 情夫 (じょうふ)
He kept a mistress for many years.
In that novel, the protagonist struggles with his relationship with his mistress.