## sheep pens ##

"sheep corrals" or "sheep enclosures"

## relieve himself ##

"relieve himself" is a euphemism to urinate or to defecate.   (See: [[rc://en/ta/man/translate/figs-euphemism]])

## cave ##

generally a natural hole underground, often with an opening in the side of a hill or cliff.

## crept ##

approached slowly, carefully or quietly.