Select the option that can be used as a one-word substitute for the given group of words.
An official appointed to resolve a dispute

Correct option is B

The correct one-word substitute for the given group of words is "Arbitrator."
Explanation: An "Arbitrator" is an official appointed to resolve a dispute, typically in an informal or out-of-court setting.
Example: "The arbitrator helped the two parties reach a fair settlement."
Meanings of all options:
· Confidante: A person with whom one shares a secret or private matter, trusting them not to repeat it to others.
· Arbitrator: A person officially appointed to resolve disputes.
· Soothsayer: A person supposed to be able to foresee the future.
· Advocate: A person who publicly supports or recommends a particular cause or policy.