"暴发户"比较好的英文翻译是什么?

"暴发户"比较好的英文翻译是什么?

暴发户: 1. upstart2. parvenu3. nouveau riche4. bounder5. mushroom6. new-rich7. arrivisteRelative explainations: Examples:1. 你可不能嫁给那个年轻的暴发户! You can't marry that young upstart!2. 他是个暴发户，是个新封的贵族。 He was a new upstart and a gentleman of the first head.3. 这个暴发户邀请了客人，但是他们都不愿意去。 The parvenu invited guests but they all hung off.