A reunion attendee could be an ALUM, ALUMNA, aunt, GRAD, niece, UNCLE, COUSIN, SIS, oncle, SON, frere, or GRADUATE. An ALUM is a former student of a school or college, while an ALUMNA is a female former student. An aunt is the sister of one's parent, while a GRAD is a recent GRADUATE of a school or college. A niece is the daughter of one's sibling, and an UNCLE is the brother of one's parent. A COUSIN is the child of one's aunt or UNCLE, and a SIS is a sister. Oncle is the French word for UNCLE, while SON is a male child of one's parent. Frere is the French word for brother, and a GRADUATE is someone who has completed their studies at a school or college.