The law that defines and regulates fiduciary relationships appears in many legal areas, such as family law, surrogate decision-making, international law, agency law, employment law, pension law, remedies rules, banking law, financial institutions\u27 regulation, corporate law, charities law not for profit organizations law, and the law concerning medical services. Fiduciary relationships, and the concepts on which they are grounded, appear not only in the law. They appear in other areas of knowledge: economics, psychology; moral norms and pluralism. Fiduciary law has a very long history. It was recognized in Roman law and the British common law and appeared decades ago in religious laws, such as Jewish law, Christian law, and Islamic law. I...