a personal representative with legal standing (as by power of attorney or the executor of a will)

a personal representative under this rule if, under applicable law, such person is able to act on behalf of an individual in making decisions related to health care, with respect to the protected health information related to such decisions

a person who administers, winds up, controls, or otherwise deals with a property, business, or estate of another person who may be an individual, a trust, or a corporation

A guardian, conservator, survivor or person representative of a recipient or applicant or of the property or estate of a recipient or applicant.

In its broadest sense, one who stands in place of and represents the interests of another; usually refers to executors or administrators.