Some of his old friends are 'jealous' [='envious'] 'of' his success. = Some of his old friends are 'jealous of' him because of his success.
She became very 'jealous' whenever he talked to other women.
He 'jealously' accused his wife of flirting with other men.
(..) Oh, come on! Don't be sad on it, she's passed. There, she's gone. Freak! Come here! I'm gonna tell mommy! You're freak! She's jealous. She's ordinary and you're special. - Hi, I'm James. - Hi, I'm Lily. The prophecy did not refer to a woman. (..)2011 Harry Potter and the Deathly Hallows: Part 2