starter: the official who signals the beginning of a race or competition
adjudicator: a person who studies and settles conflicts and disputes
id al-adha: the 10th day of Dhu'l-Hijja; all Muslims attend a service in the mosques and those who are not pilgrims perform a ritual slaughter of a sheep (commemorating God's ransom of Abraham's son from sacrifice) and give at least a third of the meat to charity