An orator, or oratist, is a public speaker, especially one who is eloquent or skilled.
An orator giving a speech at a keynote in Prague.
Robert Green Ingersoll, nicknamed "the Great Agnostic", was an American lawyer, writer, and orator during the Golden Age of Free Thought, who campaigned in defense of agnosticism.
Ingersoll c. 1865–80
The only known image of Ingersoll addressing an audience.
A political cartoon depicting crowds seeking entertainment by flocking to hear Ingersoll advocate for agnosticism in a theater which is open on Sunday, when the American Museum of Natural History is closed so as "Not to Offend Morality".
Ingersoll statue in Peoria, Illinois.