Arbiter and Unbiased observer

Arbiter noun - A person who impartially decides or resolves a dispute or controversy.

Unbiased observer and arbiter are semantically related In some cases you can use "Unbiased observer" instead a noun "Arbiter".

Nearby Words: arbitration, arbitrator, arbitral

Arbiter and unbiased observer are semantically related in group other than principals topic. You can use "Arbiter" instead a noun phrase "Unbiased observer".