adjudicator

noun
1
a person who makes an official decision about who is right when two groups or organizations disagree
داور, حَکَم, فیصله‌دهنده, فصل‌کننده
2
a judge in a competition
داور, داور مسابقه, داوری‌کننده
The adjudicators praised the high standard of all the entries.