ncbill
Thinks s/he gets paid by the post
OP could serve as a trust protector for their brother's trust.
Overseeing the conduct of whatever professional trust management runs it.
And with the power to change management of the trust to a different firm if misconduct occurs.
What is a Trust Protector and Do I Need One? Estate Planning Tips
Even if OP declines any role they should encourage the grantor to appoint a 3rd party trust protector.
Usually a lawyer or law firm independent of the firm actually managing the trust.
Overseeing the conduct of whatever professional trust management runs it.
And with the power to change management of the trust to a different firm if misconduct occurs.
What is a Trust Protector and Do I Need One? Estate Planning Tips
Even if OP declines any role they should encourage the grantor to appoint a 3rd party trust protector.
Usually a lawyer or law firm independent of the firm actually managing the trust.