Who is responsible for the care of the person or property of another?

The correct answer is guardian ad litem. A guardian ad litem is appointed by a court to represent and protect the interests of a minor or an incapacitated person during legal proceedings. This role is specifically focused on ensuring that the rights and welfare of the individual are taken into consideration in legal matters, making them responsible for the care and advocacy of that person's needs in the context of litigation.

In contrast, a conservator is typically appointed to manage the financial affairs or property of someone who is unable to do so due to incapacity. While a conservator does have care responsibilities, it is primarily focused on financial matters rather than broader personal or legal representation.

A trustee manages assets held in a trust for the benefit of another, ensuring that those assets are used according to the terms set forth in the trust document. The trustee's role is more fiduciary and financial rather than direct care for the individual.

An executor is responsible for administering an estate after someone has passed away, ensuring that the deceased’s wishes are fulfilled as stated in their will. This role, while crucial, pertains to the management of the deceased’s property and assets, not the care of a living person or minor.

Thus, the guardian ad litem is the most appropriate choice for the