Cleric regular

Catholic priest, deacon or bishop who is a member of a religious institute

Clerics regular are clerics who are members of a religious order under a rule of life (regular). Clerics regular differ from canons regular in that they devote themselves more to pastoral care, in place of an obligation to the praying of the Liturgy of the Hours in common, and have fewer observances in their rule of life.

This keyword could refer to multiple things. Here are some suggestions: