(n.) An upstart; a man newly risen into notice.

Babbitt Daddy Warbucks Philistine Young Turk adventurer arriviste billionaire bloated plutocrat boor bounder bourgeois bourgeois gentilhomme bright young man cad capitalist churl clown comer emigrant epicier fat cat fledgling gate-crasher greenhorn groundling guttersnipe hooligan ill-bred fellow immigrant intruder intrusive looby lout low fellow man of means man of substance man of wealth millionaire modern modern generation modern man modernist modernizer moneybags moneyed man mucker multimillionaire mushroom nabob name-dropper neologism neologist neology neonate neoteric neoterism neoterist new arrival new boy new generation new man newcomer newly-rich nouveau riche nouveau roturier nouveau-riche novus homo parvenue peasant pig in clover plutocrat recruit ribald rich man richling rising generation rookie roturier rough roughneck rowdy ruffian settler social climber sprout squatter status seeker stowaway stripling tenderfoot tufthunter upstart vulgarian vulgarist warm man wealthy man would-be gentleman yokel