Monsignor Lucas Oddi is the factorum and Pax Undersecretary of State. [1]
SPOILER ALERT! The section(s) below are MAJOR SPOILERS.
When the alliance and conspiracy of the Pax and the TechnoCore is revealed with the Shared Moment, the Pax withdraws from Pacem, and following the deaths of a number of senior officials, Monsignor Lucas Oddi establishes the papacy in exile on Madhya. It is reported that few people other than his immediate defenders and followers in the Madhya system genuinely honor him as a real pope.[2]