A person charged by law and equity with a higher duty of care for another person. A person who, as a result of a relationship with another person, is required by law to place the other persons interests equal to or ahead of his own in all dealings involving that other person. The relationship is often created when the other person approaches the fiduciary to use the fiduciarys special skills and knowledge, for a fee, to benefit the other person. Real estate agents, lawyers, trustees, investment brokers etc. are often fiduciaries.