parvenu
(en)
(noun) one that has recently or suddenly risen to an unaccustomed position of wealth or power and has not yet gained the prestige, dignity, or manner associated with it
The semantic test confirmed this. In the Marxist language, your opponent was always a parvenu, an upstart, an adventurer, a politician was always cheap, and an opportunist vulgar
notable
3 days, 8 hours ago