(a) A trust advisor or trust protector, other than a beneficiary, is a fiduciary with respect to each power granted to the trust advisor or trust protector. In exercising any power or refraining from exercising any power, a trust advisor or trust protector shall act in good faith and in accordance with the terms and purposes of the trust and the interests of the beneficiaries.
(b) A trust advisor or trust protector is an excluded fiduciary with respect to each power granted or reserved exclusively to any one or more other trustees, trust advisors, or trust protectors.