Kinship, blood relationship.
Sorority, a relatively loose group organized by means of emotional communication.
Members of the fraternity can be former classmates, colleagues, fellow villagers or people who have had close relationships, or they can be peers and friends in reality. Members of clan associations must be relatives of the same clan.
The Brotherhood relies on the activities among its members to maintain its existence and development. These activities generally include performances, dances, festivals, visits, writing school history, factory history, military history, memoirs and educating young people. Through these activities, fraternity members can enhance mutual understanding and friendship, achieve the purpose of mental health care, and make certain contributions to social progress and development.
A director, a member of a fraternity, a person who handles affairs on behalf of a group.