commentator

1. A person who compiles explanations and critical notes on a text.
2. A person who compiles explanations of the law, particularly (historical) comparatively innovative European jurists in the 14th century, as opposed to earlier glossators.
3. A person who compiles explanations of biblical passages.
4. A person who provides an instantaneous description of a public event, particularly a sporting event, for a mass media audience. · He was a commentator for football two years before retiring.
5. A person who provides analysis or opinion on current events, especially for a mass media audience.

Plural commentators