Saint Pierre Favre, S.J. (Peter Faber), a key figure in the early Jesuit order, was one of its founding members alongside Ignatius of Loyola and Francis Xavier. Born in 1506 in the French Alps, he became known for his gentle demeanor and deep spiritual insights, especially in giving the Spiritual Exercises, developed by Ignatius. Faber was instrumental in expanding the Jesuit presence across Europe, notably in Germany during the Reformation period, where his approach focused on dialogue and reconciliation rather than confrontation with Protestants.

       His travels took him to numerous cities, where he preached, taught, and provided spiritual guidance. Despite his frail health, Faber covered thousands of miles on foot or mule, embodying the Jesuit ideal of being a "contemplative in action." His humility and ability to connect with people made him a respected figure in both Catholic and Protestant circles, and he was recognized for his skill in fostering spiritual growth and unity during a time of intense religious division. Pope Francis, a Jesuit himself, has often cited Faber as an inspiration for his approach to dialogue and spiritual accompaniment​.

         Pierre Favre's relationship with St. Ignatius of Loyola was foundational for the development of the Jesuit order. They first met as roommates at the University of Paris in the early 1530s. Favre, who was struggling with his spiritual direction, found a mentor in Ignatius, who guided him through a transformative experience with the Spiritual Exercises. This deepened Favre’s spiritual life and solidified their bond. Ignatius recognized Favre’s gift for guiding others in these exercises, describing him as the most skilled at giving them. Their friendship was marked by mutual respect and spiritual camaraderie, with Ignatius often entrusting Favre with delicate missions across Europe due to his gentle approach and deep empathy. Favre’s influence was so significant that Ignatius often sent him to bridge divides between Catholics and Protestants, highlighting his role as a reconciler within the early Jesuit missions