The priests work mainly in the area of spiritual care for the sick and the brothers provide trained physical care. Besides the common three vows, the members of the Order take a fourth vow to serve the poor sick, even when they are infectious, even at the risk to their own lives.
The clergy concentrate on providing spiritual solace to those who are unwell, while the brothers provide skilled medical assistance. Furthermore, members of this religious group make a special pledge to care for the destitute and sickly people, even if they pose a health risk, putting their own lives at stake.