critic
US /ˈkrɪt̬.ɪk/
UK /ˈkrɪt̬.ɪk/

1.
a person who expresses an unfavorable opinion of something
:
•
The play received harsh reviews from the critics.
•
He's always a critic of my ideas.
2.
a person who judges, evaluates, or analyzes works of art, literature, music, etc.
:
•
She is a renowned film critic.
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The art critic praised the new exhibition.