Equal in rank, merit or quality

A. Chum

B. Contemporary

C. Peer

D. Colleague

Answer: Option C

Solution(By Examveda Team)

One word substitute is Peer.

Chum: a close friend.
Contemporary: living or occurring at the same time.
Peer: a person of the same age, status, or ability as another specified person.
Colleague: a person with whom one works in a profession or business.