Commentator

n.

1.

One who writes a commentary or comments; an expositor; an annotator. The commentator's professed object is to explain, to enforce, to illustrate doctrines claimed as true. - Whewell.

Noun	1.	commentator - an expert who observes and comments on something Synonyms: observer
	2.	commentator - a writer who reports and analyzes events of the day Synonyms: reviewer

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