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.
(..) that money won't buy. I observe it's even bought you the honorable Mr. Wilkes. So you still hate Ashley Wilkes. Do you know, I believe you're jealous of him. You still think you're the belle of the county, don't you? That you're the cutest little trick in shoe leather. And that every man you meet (..)1939 Gone with the Wind
(..) Because he's your beau, she's after him like a hornet. Charles Hamilton, I want to eat barbecue with you. Mind you, don't go philandering with any other girl, 'cause I'm mighty jealous. I won't, Miss O'Hara! I couldn't! I do declare, Frank Kennedy, if you don't look dashing... (..)1939 Gone with the Wind