A person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class.

synonyms: arriviste, parvenu, upstart.

Dutch: parvenu, nieuwkomeling, arrivé
Polish: homo novus

Characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position.

synonyms: parvenu, parvenue, upstart.

Polish: nowobogacki