In equity proceedings, one who prays for relief; a petitioner.

A plaintiff, or complainant, in a bill in chancery.

A plaintiff or petitioner in an action in chancery. The feminine form is oratrix.

A public speaker; one who delivers an oration; especially, one distinguished for his skill and power as a public speaker; one who is eloquent.

An officer who is the voice of the university upon all public occasions, who writes, reads, and records all letters of a public nature, presents, with an appropriate address, those persons on whom honorary degrees are to be conferred, and performs other like duties; -- called also public orator.

a good man who is skilled in speaking

Orator (Victor Ludwig) was a minor fictional character from Marvel Comics.

a man who not only states the truth, but states it persuasively

a man who says what he thinks and feels what he says

A fellow who is always ready to lay down you life for his country.

a person who delivers a speech or oration