3. To render a true and Just account of all the property of the ward in his hands, and of all proceeds or interest derived therefrom, and of the management and disposition of the same, at the time designated by this rule and such other times as the court directs; and at the expiration of his trust, to settle his accounts with the court and deliver and pay over all the property, effects, and monies remaining in his hands, or due from him on such settlement, to the person lawfully entitled thereto; and