arriviste
noun
[ ˌariːˈviːst ]
• an ambitious or ruthlessly self-seeking person.
Similar:
social climber,
status seeker,
would-be,
go-getter,
self-seeker,
adventurer,
adventuress,
newcomer,
upstart,
parvenu,
parvenue,
vulgarian,
the nouveau riche,
the new rich,
new money,
Origin:
early 20th century: from French, from arriver (see arrive).