A dramatist is an author of a dramatic composition, usually plays. The term is usually reserved for those who have written "serious" plays (as opposed to comedies or farces, whereas the simpler term, "playwright", is more all-embracing.
... 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 lepers and outcasts, and ...