It is likely that the person in charge of quality of life and the person in charge of financial decisions should be different people, and somewhat adversarial.

It is likely that the person in charge of quality of life and the person in charge of financial decisions should be different people, and somewhat adversarial. Neither should be paid directly out of the estate, and there would have to be a significant disincentive for any collusion between them that does not objectively benefit the ward.