The myth of authority

That individual you are looking for is a sheriff, elected by the people to maintain the peace but more importantly to serve process for a civil manner of resolving conflict. It is not for the sheriff to judge for once peace is restored their job is done and the civil process begins. By the way, sheriffs are not government and are not paid for by taxes but by services rendered, like a fee for serving process and a fee for having to be involved in restoration of peace.