 However, they only hold the basic rank after retirement.Thus a retired archbishop can only be considered a bishop (though it is possible to refer to 'Bishop John Smith, the former Archbishop of York'), a canon or archdeacon is a priest on retirement and does not hold any additional honorifics.Ordained clergy in the Roman Catholic Church are either deacons, priests, or bishops belonging to the diaconate, the presbyterate, or the episcopate, respectively.