instĭtor

ōris, m.

insisto

I. a person who sells goods for another, a factor, broker, agent; a huckster, hawker, peddler (cf.: circulator, negotiator): amata nautis multum et institoribus, Hor. Epod. 17, 20: mercis, Liv. 22, 25: hibernae tegetis, Juv. 7, 221.—
II. Trop.: eloquentiae, Quint. 11, 1, 50; id. 8, 3, 12.
Lewis & Short
A Latin Dictionary, 1879
An open-access project