arribista

adj. upstart

n. go getter; arriviste, upstart

= upstart, social climber, arriviste.
Ex: Otherwise they run the risk of being usurped by upstart local government PR men or newspaper consortia.
Ex: New ideas are most likely to be introduced and pursued by 'social climbers'.
Ex: These are values which the arriviste bourgeoisie tries to mimic but with the emphasis placed on money.