 "Campeiro", a Portuguese word meaning "fielder" or "related to fields", is widely used in the South Region of Brazil as a term for those who work in rural fields, especially those who take care of cattle and ride horses well.It is reflective of the field and its elements - rural, rustic, peasant, and so on.The Campeiro Bulldog gained prominence in the state of Mato Grosso do Sul, where it was used to herd cattle in slaughterhouses.