1.
critic; critical commentator
A person who professionally or habitually analyzes and evaluates works, ideas, or situations. Can refer to professional critics in fields like literature, art, or politics.
2.
detractor; fault-finder; someone who constantly criticizes
A person who tends to find fault with others or with things in general. Used with a somewhat negative connotation.
Related Words
Compare:
評論家 (critic, commentator)
Compare:
批評家 (critic, reviewer)
Compare:
論客 (skilled debater)