Question

the story says that yuuki was a brave boy.can yoy think of two other adjective to describe yuuki?

Answer 1

we can say yukki as a courageous  and valiant boy

Answer 2

Yuuki was a brave boy is true the other two adjectives that describe Yuuki are proactive, courageouas, daredevil, intelligent etc are words descriibe Yuuki, because yuuki is the biy who saved more than 400 people of his village.

Adjectives are the wors which tell us more about nouns or pronouns that means they describe  them.