Prodigy
Rare, Unique, Extraordinary
It's an injustice that so many people in this world are mediocre and we can't all be a prodigy at something. Everyone deserves to be unique, but it just isn't true.
ひぼん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
みんな、彼の非凡な才能を妬んでいたんだと思います。
I think you’re all jealous of his unique talent.