Ostentator

·noun One fond of display; a boaster.

ostentator
ostentātor, ōris, m. [ostento], a vain , self-satisfied exhibiter , a displayer , parader , boas...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
ostentator
ostentātor ōris, m ostento, a displayer, boaster, vaunter : factorum, L. ...

An Elementary Latin Dictionary