Save Gender Masculine Usage Japanese Scripts 義勇(Japanese Kanji) Pronounced Pron. Gee-yuu [key] Other Forms FormsGiyuu Meaning & History From 義 meaning “Right” and 勇 meaning “Courage, strength”. This two kanji together 義勇 can be read as “Heroic Virtue”.This name is known most commonly by the character Giyū Tomioka from the show Demon Slayer.