The Further Adventures of Robinson Crusoe by Daniel Defoe Chapter 4 Page 60

The prisoners now began to be a burden to them; and they were so afraid of their escaping, that they were once resolving to kill them all, believing they were under an absolute necessity to do so for their own preservation. However, the chief of the Spaniards would not consent to it, but ordered, for the present, that they should be sent out of the way to my old cave in the valley, and be kept there, with two Spaniards to guard them, and have food for their subsistence, which was done; and they were bound there hand and foot for that night.

When the Spaniards came, the two Englishmen were so encouraged, that they could not satisfy themselves to stay any longer there; but taking five of the Spaniards, and themselves, with four muskets and a pistol among them, and two stout quarter-staves, away they went in quest of the savages.