“brave / courage” in Japanese is 勇, read yuu, isa (ゆう, いさ). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 勇気 (courage).
What does 勇 mean?
勇気を出して話す。
Same sound, different character — the classic trap. Compare them side by side: