adjudger
/ˈædˌdʒuːdʒər/Definitions
1. noun
A person or authority empowered to make a judgment or award in a dispute, contest, or competition.
“The adjudger of the debate competition declared the winner after careful deliberation.”
2. verb
To settle or decide a dispute, contest, or competition by judgment or award.
“The judges were tasked with adjudging the best performance of the night.”