He was employed by his brother as a mediator with Philip the Fair in 1293-1294.
As queen-mother she played the part of a mediator between her sons and political parties.
One of these children is often his mediator with men, and has the charge of the rites and the mystic bull-roarer.
He becomes the mediator between humanity and the gods, since it is through the fire on the altar that the offering is brought into the presence of the gods.
During his three years' residence at the Belgian capital he found ample scope for his gifts as a diplomatist in the education controversy then raging, and as mediator between the Jesuits and the Catholic university of Louvain.