Antonym of ADHERENT

rival
alien
detractor
enemy

The correct answer is C. detractor.

An adherent is a person who supports or follows a particular person, cause, or belief. A detractor is a person who criticizes or speaks negatively about someone or something.

The other options are not antonyms of adherent.

  • A rival is a person who competes with another person for the same thing.
  • An alien is a person who is not a citizen of the country in which they are living.
  • An enemy is a person who feels or shows hatred or ill-will towards another person or group.

In conclusion, the correct answer is C. detractor.