arriviste
noun /ˌæriːˈviːst/
/ˌæriːˈviːst/
(from French, disapproving)- a person who is determined to be accepted as a member of a social group, etc. that they are not part ofWord Originearly 20th cent.: from French, from arriver, based on Latin ad- ‘to’ + ripa ‘shore’.