Modifiers matching grump:

• penny-pinching,
• arrogant,
• grouchy,
• covetous,
• heartless,
• mean,
• impatient,
• principled,
• gruff,
• ill-tempered,
• condescending,
• jealous,
• misanthropic,
• greedy,
• miserly,
• grizzled,
• fastidious,
• wealthy,
• rich,

Simple categories matching wealthy:

• person,
• actor,
• area,
• king,
• tyrant,
• autocrat,
• billionaire,
• gentleman,
• people,
• recluse,
• owner,
• hero,
• tycoon,
• businessman,
• man,
• royal,
• scientist,
• industrialist,
• aristocrat,
• philanthropist,
• grump,
• politician,
• comedian,
• miser,
• wife,
• collector,
• snob,
• personality,
• criminal,
• individual,
• ceo,
• professional,
• emperor,
• warrior,
• men,
• conqueror,
• inventor,
• dictator,
• smuggler,
• playboy,
• investor,
• technologist,
• god,
• queen,
• pioneer,
• villain,
• child,
• bully,
• genius,