critic
//ˈkrɪtɪk//
Noun
criticSingular
criticsPlural
1
A person who judges and expresses opinions about the merits of literary, artistic, musical, or other creative works, especially professionally.
She works as a film critic for a major newspaper.
2
A person who expresses disapproval of someone or something; a person who finds fault.
He has always been a critic of the government's policies.