A fiduciary is a legal relationship of trust between two or more parties. The most common scenario involving a fiduciary relationship is the trust department at a bank. That department would be acting as a fiduciary for the assets belonging to the grantor, who has chosen to have the assets held in trust. As a direct result of the fiduciary relationship, the bank trust department has a duty to act in the grantor's best interests with respect to disposition of the assets, in terms of investing them and disbursing them according to the grantor's wishes. Because of the importance and level of trust and reliability inherent in a fiduciary relationship, it is essential to consult a fiduciary lawyer for assistance.