commentator (n)

The sports commentator provided insightful analysis and play-by-play commentary during the thrilling soccer match.
As a political commentator, she shared her perspective on current events, offering viewers a thoughtful analysis of the unfolding situation.
The book club meeting was enriched by the presence of a literary commentator who shed light on the historical context and themes of the novel.
The news commentator delivered a concise summary of the day's top stories, providing viewers with context and interpretation.