valiant man; brave man
A somewhat literary or formal term for a courageous man; not an everyday descriptor.
He is truly a man worthy of being called a valiant man.
古い物語には、しばしば勇夫が登場する。
Valiant men often appear in old tales.
Compound of 勇 (bravery) and 夫 (man). The exact historical derivation is uncertain, but the kanji directly convey the meaning.