He dedicated himself to catechism and assumed the position of chaplain of the Poitiers Hospital, which also functioned as an asylum for the poor and marginalized. His simplicity and naturalness in serving those in need earned him not only affection and admiration, but enmities and gossip of all kinds.
When he returns to Paris, his enemies raise false testimonies against him and his closest friends reject him. On his side, the bishop ordered him to be silent. Later he would understand the reason for the attacks against him and the Marian doctrine that he propagated: the Jansenists, influential heretics of his time, hated his teaching because it emphasized the aid of human freedom without which God cannot act, as witnessed in Mary’s “yes.”
Saint Louis, conflicted by the situation, goes to Pope Clement XI to confirm his teachings, or “save him from error.” The Pontiff receives him affectionately and after the meeting grants him the title of Apostolic Missionary.