Final answer:
The type of performer described in the question is an oratorical performer who uses their speaking skills to deliver speeches and presentations with an intent to persuade or influence the audience.
Step-by-step explanation:
From the Latin for "to speak", the type of performer described in the question is an oratorical performer.
Oratorical performers use their speaking skills to deliver speeches and presentations, often with a persuasive or influential intent. They aim to speak eloquently and effectively in order to engage and captivate their audience.