risen

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

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

having just or recently arisen or come into existence

s characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position s of or characteristic of a parvenu

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