confrère
Confrère is a noun meaning a fellow member of a profession, fraternity, association, or religious order. In English it is a formal, somewhat archaic term used to describe colleagues or peers who share a common occupation or affiliation, and it often appears in scholarly, journalistic, or ceremonial contexts. The word can refer to male members in particular, and in religious or confraternal settings it denotes a mutual member of a brotherhood, order, or confraternity.
Etymology and usage notes: Confrère derives from French confrère, which itself comes from Late Latin confrater,
Related concepts include confraternity or fraternity, which describe the organization itself, and the more general terms