ostentātor, ōris, m. [ostento],
a vain , self-satisfied exhibiter , a displayer , parader , boaster , vaunter : ostentatores meri, Plaut. Curc. 4, 1, 15: ostentatorem pecuniae gloriosum describere, Auct. Her. 4, 50, 63: factorum, Liv. 1, 10: omnium, quae diceret, Tac. H. 2, 80: rector juveni et ceteris periculorum praemiorumque ostentator, id. A. 1, 24.