Wikipedia
Barnabites
The Barnabites are Catholic priests and Religious Brothers belonging to the Roman Catholic religious order of the Clerics Regular of St. Paul , founded in 1530. While they used to use the postnominal initials of simply "B.", they currently use C.R.S.P. Associated to the members of the Order are the Angelic Sisters of St. Paul and the lay members of the Barnabite lay movement.