An arbitrator focusing on trade law, contracts, securities, antitrust, and real estate is a neutral third party who is responsible for resolving disputes in these areas outside of the traditional court system.The arbitrator's role is to listen to both parties and review evidence, then make a legally binding decision that is based on the facts presented and the applicable laws and regulations in these areas. They must have a deep understanding of trade law, contracts, securities, antitrust, and real estate, as well as the ability to interpret complex legal issues and make decisions based on sound legal principles.