par·ve·nu 
/ˈpɑɚvəˌnu:, Brit ˈpɑ:vəˌnju:/ noun
plural par·ve·nus /ˈpɑɚvəˌnu:, Brit ˈpɑ:vəˌnju:/ noun [count] formal + disapproving : a person from usually a low social position who has recently or suddenly become wealthy, powerful, or successful but who is not accepted by other wealthy, powerful, and successful people
