Protopriest of the College of Cardinals
The Cardinal Protopresbyter or Protopriest (Italian: Cardinale protopresbitero) in the College of Cardinals, is the first Cardinal-Priest in the order of precedence, hence directly after the Cardinal-bishops. This title is always attached to the most senior Cardinal Priest according to date of his creation.
Source: Wikipedia — Protopriest of the College of Cardinals (CC BY-SA 4.0)