Modifiers matching son:

• crafty,
• loyal,
• Machiavellian,
• vengeful,
• disloyal,
• delusional,
• silly,
• good-hearted,
• whiny,
• jealous,
• eager-to-impress,
• foolish,
• obedient,
• psychotic,
• weak,
• affable,
• creepy,
• forgiving,
• charming,
• moody,
• mother-obsessed,
• temperamental,
• dutiful,
• cunning,
• devoted,
• manipulative,
• bitter,
• faithful,
• sulky,
• juvenile,
• confused,
• polite,
• trustworthy,
• shrewd,
• oafish,
• insightful,
• crazy,
• pious,
• corrupt,
• cheery,
• sensitive,
• slow,
• immature,
• ruthless,
• entertaining,
• gullible,
• steadfast,
• insolent,
• insecure,

Simple categories matching jealous:

• villain,
• person,
• duck,
• fool,
• son,
• psychopath,
• teenager,
• child,
• grump,
• criminal,
• killer,
• tyrant,
• pianist,
• snob,
• composer,
• clown,
• lover,
• pretender,
• genius,
• aristocrat,
• musician,