Difference between Orator and Rhetorician

ORATOR vs RHETORICIAN: NOUN

One who delivers an oration.
An eloquent and skilled public speaker.
A public speaker; one who delivers an oration; a person who pronounces a discourse publicly on some special occasion; a pleader or lawyer.
An eloquent public speaker; one who is skilled as a speaker; an eloquent man: as, he writes and reasons well, but is no orator.
A spokesman; an advocate; a defender; one who defends by pleading; one who argues in favor of a person or a cause.
In law, the plaintiff or petitioner in a bill or information in chancery.
An orationer; a petitioner; one who offers a prayer or petition.
An officer of English universities: see the quotation.
In equity proceedings, one who prays for relief; a petitioner.
A plaintiff, or complainant, in a bill in chancery.
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.
Someone who orates or delivers an oration.
A person who delivers a speech or oration
A skilled and eloquent public speaker.

A person who delivers a speech or oration
An expert in or teacher of rhetoric.
An eloquent speaker or writer.
A person given to verbal extravagance.
A teacher of rhetoric or oratory; one who teaches the art of correct and effective speech or composition.
One who is versed in the art and principles of rhetoric; especially, one who employs rhetorical aid in speech or written composition; in general, a public speaker, especially one who speaks for show; a declaimer.
One well versed in the rules and principles of rhetoric.
A teacher of rhetoric.
An orator; specifically, an artificial orator without genuine eloquence; a declaimer.
An expert or student of rhetoric.
An orator or eloquent public speaker.

Polemicist, Politician, Poet, Communicator, Eloquence, Oration, Statesman, Debater, Oratory, Presenter, Speaker, Preacher, Public speaker, Speechmaker, Rhetorician

Theologian, Logician, Wordsmith, Thinker, Eloquence, Moralist, Debater, Oratory, Controversialist, Philosopher, Polemicist, Sophist, Public speaker, Speechmaker, Orator

Talker, Polemicist, Politician, Poet, Communicator, Eloquence, Oration, Statesman, Debater, Oratory, Presenter, Speaker, Preacher, Speechmaker, Rhetorician

Tragedian, Classicist, Theologian, Logician, Thinker, Eloquence, Moralist, Debater, Oratory, Controversialist, Philosopher, Polemicist, Sophist, Speechmaker, Orator

And according to the argument the rhetorician must be a just man?
He is a terrible communicator and a rhetorician who operates on fear.
Twain one of my favorite authors to read and why I think he is a great rhetorician.
Artificial memory was codified by Cicero, Quintilius and an anonymous Roman rhetorician, who invented mnemonics.
In this case, it would be hard to say the rhetorician was acting immorally.
BC, an ancient greek rhetorician, was one of the ten Attic orators.
Gorgias about his craft as a rhetorician of great repute.
Greek, Lindars points out that he is a skilled rhetorician.
Roman rhetorician, was a hative of Corduba in Spain.
As a rhetorician, I am supposed to understand that autism prevents me from being a rhetorician.