Choose the word that can substitute the given group of words.
A person who has given up their beliefs

Correct option is C

The correct one-word for the given group of words is (c) Apostate.
Apostate: Someone who renounces or gives up their religious or political beliefs. (Hindi: विश्वास त्यागने वाला)
Example: He was treated as an apostate after leaving the religious sect.
Meanings of the other options:
· (a) Versatile: Adaptable, having many skills (बहुमुखी प्रतिभा वाला)
· (b) Misanthrope: A person who dislikes humankind (मनुष्यद्वेषी)
· (d) Crusade: A strong movement or campaign (अभियान)