Critic

1. One who passes a rigorous or captious judgment; one who censures or finds fault; a harsh examiner or judge; a caviler; a carper.
2. An act of criticism; a critique.
3. One skilled in judging of the merits of literary or artistic works; a connoisseur; an adept; hence, one who examines literary or artistic works, etc., and passes judgment upon them; a reviewer.
4. To criticise; to play the critic.
5. The art of criticism.