Complex sentence: His humanitarian activities have included working as a probation counselor, volunteering in shelter for abused women, and teaching poetry to prisoners at Bucks County Prison; and he has been an advocate for the homeless and an organizer for farm workers rights.
Split into simpler sentences: His humanitarian activities have included working as a probation counselor, volunteering in a shelter for abused women and teaching poetry to prisoners at Bucks County Prison. He has been an advocate for the homeless and an organizer for farm workers rights.