vaquero.

(a loanword from Spanish)

Headword: 
vaquero.
Principal English Translation: 

cowboy
(a loanword from Spanish)

Attestations from sources in English: 

amo nicnequi fiscal mochihuaz ynin baquero (Jalostotitlan, Jalisco, 1611)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 27.

themes: 
Occupations, Responsibilities