Choose the correct one-word substitution for the blank in the sentence below.
When the two companies could not settle the dispute themselves, they agreed to appoint an independent ____________________ to resolve the matter.

Correct option is B

The correct one-word for the given group of words is (b) arbitrator.
Explanation: An arbitrator is a neutral third party officially appointed to hear both sides and render a binding or authoritative decision in a dispute. (Hindi: मध्यस्थ / पंच). This precisely matches “appoint an independent … to resolve the matter.”
Example: Both firms accepted the arbitrator’s award to avoid lengthy litigation.
Meanings of the given other options:
· (a) dictator: an absolute ruler with unchecked power (Hindi: तानाशाह).
· (c) orator: a skilled public speaker (Hindi: वक्ता).
· (d) translator: a person who converts text from one language to another (Hindi: अनुवादक).