Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... 1840 - April 15, 1888) was a Roman Catholic priest who dedicated his life to ministering to the sufferers of Hansen's disease (leprosy) who lived on the island of Molokai, ...