Guardian ad litem refers to a person appointed by the court to represent or make decisions for a person, such as a minor or an incapacitated adult, who is legally incapable of doing so in a civil legal proceeding.
Other /More definition:
Guardian ad litem is defined as a person appointed by the court to represent or make decisions for a person, example, a minor or an incapacitated adult who is legally incapable of doing so in a civil legal proceeding.