Brave
Heroic, Gallant
な adjective
You have courage and daring! You're a brave and heroic hero of old. A samurai perhaps?
ゆうかん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
お前の父さんは、とても勇敢な戦士だったよ。
Your father was a very brave soldier.