arriviste

ar·ri·viste  (-r-vst)

n.

1. A person who has recently attained high position or great power but not general acceptance or respect; an upstart.

2. A social climber; a bounder.

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[French, from arriver, to arrive, from Old French ariver; see arrive.]

Thesaurus

Noun

1.

arriviste - a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class nouveau-riche, parvenu, upstart disagreeable person, unpleasant person - a person who is not pleasant or agreeable social climber, climber - someone seeking social prominence by obsequious behavior junior - term of address for a disrespectful and annoying male; "look here, junior, it's none of your business"