mutual aid society, benefit society

to assume a role

(of a committee, company, society, etc.) a chairman; a president

mutual aid, cooperative, mutual benefit

a group of people with common objectives and goals who work together towards that end; an association, a union

(chiefly women's speech) first person singular pronoun: I, me

father / (by extension, figuratively) a father figure (male initiator or founder of something) / (Christianity) God, the Holy Father

(archaic) one's own father

(childish) one's own father: daddy / (by later extension) a husband, master of the house

(informal, possibly dialect) one's own father / (by later extension) the head or master of an establishment such as a teahouse, boathouse, etc.