C2 noun /ˈɑːrbɪtər/
arbiter
निर्णायक
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
प्रधानाचार्य ने छात्रों के बीच संघर्ष में निर्णायक की भूमिका निभाई।