In this Part -

"appropriate person", in relation to a relevant trust, means - (a) a trustee of, or a beneficiary under, the trust, or (b) any other person that the court, to which the application concerned under section 24 is made, considers appropriate;

"arrangement", in relation to a relevant trust, means an arrangement - (a) varying, revoking or resettling the trust, or (b) varying, enlarging, adding to or restricting the powers of the trustees under the trust to manage or administer the property the subject of the trust;