Confraternity n. (pl. confraternities) A society or body of men united for some purpose, or in some profession; a brotherhood. "These live in one society and confraternity."
... types of the kind he has described in the following passage: "Know ye not that there is here in this world a secret confraternity, which one might call the Company of Melancholiacs? That people there are who by natural constitution have been given a different nature and disposition than the others; that have a larger heart and a swifter ... — Mogens and Other Stories - Mogens; The Plague At Bergamo; There Should Have Been Roses; Mrs. Fonss • Jens Peter Jacobsen