Joseph P. Fitzpatrick, S.J. - priest, internationally-acclaimed scholar, activist-was intensely involved in the ongoing studies of the Puerto Rican people, their culture, and their problems as migrants in the U.S. mainland.The Stranger Is Our Own contains Fitzpatrick's personal memoir, as well as a collection of articles, papers, lectures and talks that chronicle his "bittersweet journey" with Puerto Rican migrants.