What a life! He was shipwrecked. Tortured and put in a cage to fatten up and be sacrificed and eatten. He escaped only to be captured again. However, this time the tribe who captured him were enemies of the first tribe. So he wasn't killed, rather he wasenslaved. Meanwhile, he learned the language.
Eventually, he was reunited with his own people. He was a priest, a faithful priest. He prayed his breviary every day. He refused all offers from the women. His name was Geronimo de Aguilar.
Geronimo de Aguilar was a Francisco friar. He is not to be confused with Francisco de Aguilar, a Dominican friar. de Aguilar was a conquistador with Cortes. When he gave up his soldiering, he brooded over the brutality of the conquistadors and joined the Dominicans
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In his 80s, he wrote a history of his experiences in Relacion breve de la conquista de la Nueva Espana. It wasn't published until 1900. An English translation can be found in Francisco del Paso y Troncoso's The Conquistadors: First-Person Accounts of the Conquest of Mexico.