commentator
1. [ noun ] an expert who observes and comments on something
Synonyms: observer
Related terms: expert annotator commentate
2. [ noun ] (writing) a writer who reports and analyzes events of the day
Synonyms: reviewer
Related terms: writer review
Similar spelling:   commentate
  commentary
  comminatory
  commandant
  commendation
  Comandra
  community
  common_teasel
  comminute
  comminate
  commando
  come_into