A person of humble origin who attains sudden wealth, power, or importance, especially one made immodest or presumptuous by the change;a parvenu.

• 新贵，暴发户一个出身低贱的人突然获得财富，权力或重要的位置，尤指此种变化后变得不谦虚或放纵无礼的；暴发户