his or her executors or administrators, or trustee in bankruptcy, or the Sheriff or other person executing the process, respectively, shall, upon demand in writing of the trustees of the society or branch, or of any 2 of them, or of any person authorised by the society or branch, or by the committee thereof, to make the demand, pay the money and deliver over the property to the trustees of the society or branch in preference to any other debt or claim against the estate of the officer.