compadre

plural compadres

1. A friend or companion.

   Whenever he had a compadre or a friend, it was his bounden duty to do him some service.

   1839, J. P., W. P. Robertson, Letters from Paraguay, comprising an account of four years residence in that republic, under the dictator Francia, London: John Murray, page 339

   1 more example

   He looks like a solid guy. Hiro leans into him. "Compadre, who is the guy with the antenna? A friend of yours?"

   1992, Neal Stephenson, Snow Crash, page 367