a person appointed by two opposite sides to settle a dispute

settler of a dispute

a state or law official

person who arbitrates

a person with good judgement on matters in which knowledge or artistic taste is needed

authority

a person who gives judgements, especially about literature, art, music etc

analyst, interpreter

a public official with authority to hear and decide cases in a law court

person who arbitrates

a kind of small brightly-coloured bird that feeds on fish

expert, animate or inanimate

refer; reference

judge

a person who controls matches, judges games etc

person who mediates, judges

a person who controls games and competitions

person who settles dispute