31. The Tribunal may, by order, remove a person appointed as a guardian or manager if it is satisfied that—
(a) the person is no longer suitable to be a guardian or manager;
(b) the person is no longer competent to perform the duties and functions, or exercise the powers, of a guardian or manager;
(c) the person has neglected or failed to perform the duties and functions, or exercise the powers, of a guardian or manager; or
(d) the person has contravened a provision of this Act.