CRITIC

[noun] [C] - a person whose job is to give their opinion about something, esp. films, books, music, etc., or a person who expresses dislike of or disagreement with something or someoneShe's a film/music/theatre/literary critic for the 'Irish Times'.The play has been well received by the critics.Her critics say she is leading the party to disaster, but she is determined to prove them wrong.He's his own harshest/worst critic (= He judges himself severely).