1. a person who explains or interprets something, especially a text or doctrine
Usage: formal

Examples

• The professor was known as a skilled expositor of complex philosophical theories.
• Biblical expositors have debated the meaning of this passage for centuries.
• She served as the primary expositor of the company’s new policies.
• The museum guide was an excellent expositor of ancient history.
• Legal expositors help clarify complicated statutes for the public.
• The conference featured several renowned expositors of economic theory.