In these regulations, unless the context otherwise requires, estate means the property which the Maori Trustee is entitled to administer as executor or trustee under the will of a deceased Maori or as the administrator in the estate of a Maori dying intestate or the property in respect of which the Maori Trustee is the trustee of a person under disability or the property which the Maori Trustee is authorized to administer under a duly executed power of attorney or as the trustee under any deed of trust or settlement duly executed by the parties entitled to create or make the same.