expositor

As nouns the difference between expositor and speaker

is that expositor is a person who expounds; a commentator while speaker is one who speaks.

As nouns the difference between exhibitor and expositor

is that exhibitor is someone who exhibits something while expositor is a person who expounds; a commentator.

As nouns the difference between guide and expositor

is that guide is someone who guides, especially someone hired to show people around a place or an institution and offer information and explanation while expositor is a person who expounds; a commentator.

As a verb guide

is to serve as a guide for someone or something; to lead or direct in a way; to conduct in a course or path.

As nouns the difference between terms and expositor

is that terms is while expositor is a person who expounds; a commentator.

As an adjective expository

is serving to explain, explicate, or elucidate; expositive; of or relating to exposition.

As a noun expositor is

a person who expounds; a commentator.