There was an active slave trade in Latin America when Peter arrived there from Spain in 1610. Calling himself the “slave of slaves,” Peter would meet each slave ship as it arrived so he could provide the slaves with food and medicine. He expressed his sincere love by trying to help each person with his immediate needs and then telling him or her about the love of Jesus.

Peter strove to help all retain their human dignity. His sincerity melted the slaves’ hearts, and many were converted to Christianity.