An alumnus, or ALUM for short, is someone who has graduated from a particular school or university. Homecoming is an event that celebrates the alumni of a school and often includes activities such as parades, football games, and dances. An attendee of a homecoming event is someone who is present at the event and participates in the festivities. Therefore, an alumnus who attends a homecoming event can be referred to as a Homecoming Attender.