Who is the writer of the following excerpt?

"In this harvesting of pearls, let us again consider whether the Spaniards preserve the divine concepts of love for their fellow man, when they place the bodies of the Indians in such mortal danger, and their souls, too, for these pearl divers perish without the holy sacraments. And it is solely because of the Spaniards greed for gold that they force the Indians to lead such a life "