In philosophy, substance means, approximately, that element of an object without which it would not exist. In the millennia-old Aristotelian tradition[?], as well as early modern[?] traditions that follow it, substances are treated as having attributes[?] and modes[?].
... of ministering to the patients at the leper colony (see Kalawao County, Hawaii), he contracted the disease, from which he died at the colony.
He is the patron of ...