Critic (noun)

1. A person who offers their opinion on the quality of something, such as a work of art, literature, or performance.
2. A person who evaluates or analyzes something, especially in a professional or expert capacity.

Origin:

From middle french critique, from latin criticus ("able to discern"), from ancient greek κριτικός (kritikós, "able to discern, skilled in judging"), from κρίνω (krínō, "i separate, distinguish, judge").

Examples:

1. The critics gave the play rave reviews.
2. The book received mixed reviews from critics.
3. He is a harsh critic of modern art.
4. Critics say the new law will not work.
5. He is a critic of the government's economic policies.