trustafarian
noun /ˌtrʌstəˈfeəriən/
  /ˌtrʌstəˈferiən/
(usually disapproving)- a young person from a rich family who does not need to work, but likes to pretend to reject the way that rich people live- He’s a trustafarian with society connections and a hippie lifestyle.
- The place was full of trustafarian posers.