Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun commentator

2 senses of commentator

Sense 1
observer, commentator -- (an expert who observes and comments on something)
       => expert -- (a person with special knowledge or ability who performs skillfully)

Sense 2
commentator, reviewer -- (a writer who reports and analyzes events of the day)
       => writer, author -- (writes (books or stories or articles or the like) professionally (for pay))