What title is given to bishops in the Roman Catholic faith that elevates them to a princely status?

In the Roman Catholic Church, the title that elevates bishops to a princely status is 'Cardinal.' Cardinals hold a position of significant authority within the Church and are often considered the princes of the Church, especially because they are senior ecclesiastical leaders who are typically tasked with advising the Pope and participating in the papal conclave to elect a new Pope. This title conveys a sense of prestige and responsibility, reflecting their important role in church governance and decision-making at the highest levels.

Other titles may hold significant rank within the church hierarchy, such as Pope, who is the supreme leader, or Archbishop, who leads a specific archdiocese, but they do not specifically convey the princely status associated with Cardinals. The title Patriarch is also notable in the Church, particularly in Eastern Catholic traditions, but it does not pertain directly to the context of Roman Catholicism's hierarchical structure in the same way that a Cardinal does.