What is the meaning of Parvenu?

A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, privileges, or political authority but has not gained social acceptance by those within that new class.

Being a parvenu; also, like, having the characteristics of, or associated with a parvenu.

parvenu (a social climber not accepted by his or her new milieu, often due to crassness)

parvenu

parvenu

past participle of parvenir

parvenu

parvenu (a person who has risen to a higher social class)

Source: wiktionary.org