A former priest, Blase Bonpane was working in Guatemala in the 1960s when he was expelled from the country for subversion. That event presaged a lifetime of activism for the peaceful radical leader, credited as an originator of the Latin American dialogue between Christianity and Marxism. A leading voice in the Latin American conversation for the past half-century, Bonpane is never far from social injustice — his travel itinerary through the years is like a map of human rights hotbeds: Nicaragua, Cuba, Mexico, Panama, Honduras and Peru. Bonpane will speak about his provocative ideas in a lecture titled “Compassion and Empire” at Watkins. Just prior to that, Harvest of Empire: The Untold Story of Latinos in America, a documentary based on the book by journalist Juan Gonzaléz that won the 2013 Imagen Award, will play at 4:30 p.m. The film will also screen as part of Vanderbilt’s International Lens film series at 7:30 p.m. Wednesday, Oct. 2, at Sarratt Cinema. All the events are free and public, so you have no excuse to miss these important Hispanic Heritage Month activities.