In religious organizations, the laity comprises all persons who aren't clergy. A person who's a member of a religious order who isn't ordained clergy's considered as a member of the laity, even though they're members of a religious order (for example a nun or lay brother). In the past in Christian cultures, the term lay priest was sometimes used to refer to a secular priest, a diocesan priest who isn't a member of a religious order. Terms such as lay priest, lay clergy and lay nun were once used… (More on Laity)