1) Booster Club members, often 2) Boosters, often 3) Brown people 4) Bush 41 and 43, to Yale 5) Campus building dedicatees 6) Certain benefactors, often 7) Class of class 8) Class of people 9) College building dedicatees 10) College donators 11) College fund-raiser targets 12) College fund-raising targets 1) Formerstudents 2) Grads 
• (pl. ) of Alumnus
Past students (and staff) of a university.
People who have completed a course and ‘graduated` from a university.
alumni (plural) (uh LUHM nigh) Male graduates; generally used to refer to both the alumni and alumnae of a coeducational institution: 'My parents are alumni of the same school.'