Correct option is C
The correct synonym of the given word is (c) Renounce.
Abnegate: to give up (a right/claim/pleasure) deliberately; to deny oneself something, especially for a moral/religious reason. (Hindi: त्याग करना / स्वयं का परित्याग करना)
Example: She decided to abnegate luxury and live a simple life.
Renounce: to formally give up, abandon, or reject something (a belief, claim, habit, or right). (Hindi: त्याग देना / परित्याग करना)
Example: He renounced his claim to the property.
Synonyms: relinquish, forsake, abdicate, forgo.
Antonyms: accept, embrace, claim, retain.
Meanings of all the other given options:
· (a) Demand: to ask for something forcefully/rightfully (Hindi: मांग करना)
· (b) Accept: to receive or agree to take something (Hindi: स्वीकार करना)
· (d) Support: to help, back, or provide strength to (Hindi: समर्थन करना)