n. In Roman law, one appointed to manage the affairs of a person past the age of puberty when from any cause he has become unfit to manage them himself.n. In civil law, a guardian; specifically, one who has the care of the estate of a minor or other incompetent person.n. One who has the care and superintendence of something, as of a public museum, fine-art collection, or the like.n. In Scotch law, one appointed as guardian for minors, incompetents, etc.