Evening in its primary meaning is the period of the day between afternoon and night. Though the term is subjective, evening is typically understood to begin a few hours before sunset, when temperatures begin to fall, and lasts until just after nightfall, when complete darkness has been reached.
Breach of Fiduciary Duty Law and Legal Definition. A fiduciary duty is an obligation to act in the best interest of another party. For instance, a corporation's board member has a fiduciary duty to the shareholders, a trustee has a fiduciary duty to the trust's beneficiaries, and an attorney has a fiduciary duty to a client.
One party, for example a corporate trust company or the trust department of a bank, acts in a fiduciary capacity to the other one, who for example has entrusted funds to the fiduciary for safekeeping or investment. fiduciary (abbreviation fid) is expected to be extremely loyal to the person to whom he owes the duty (the  principal ): such that there must be no conflict of duty between fiduciary and principal, and the fiduciary must not profit from his position as a fiduciary (unless the principal consents).