As used in this article, unless the context requires a different meaning: “Fund” means a student loan fund. “Institution” means a public institution of higher education that has established a student loan fund from appropriations from the general fund of the state treasury for fellowships, scholarships, and loans. “Student” means a medical student, dental student, intern, resident, or undergraduate student who is entitled to reduced rate tuition charges pursuant to Chapter 5 (§ 23.1-500 et seq.).