Choose the word that can substitute the given group of words.
A person appointed by two parties to solve a problem

Correct option is A

The correct one-word for the given group of words is (a) Arbitrator.
Arbitrator: A person officially chosen to settle a dispute between two parties. (Hindi – पंच / मध्यस्थ)
Example: The case was settled by an arbitrator outside court.
Meanings of the given other options:
· (b) Jury – a group of people deciding a legal case (जूरी)
· (c) Advocate – a lawyer (वकील)
· (d) Judge – a public official who hears and decides cases (न्यायाधीश)