reviewer

One who reviews, especially one who writes reviews, as for a newspaper or magazine.

One who revises; a reviser.

One who reviews or criticizes; especially, one who critically examines and passes judgment upon new publications; a writer of reviews.

One who reviews or reëxamines; an inspector; one who examines publications critically, and publishes his opinion upon their merits; a professional critic of books.

A person who writes critical reviews for a newspaper or other publication; a critic.