[2] A farmer and rancher by trade, he eventually secured the position of accionero, which granted him the authority to slaughter feral cattle on the vaquerías (open ranches and fields) of the Río de la Plata region.

Their wedding took place in Buenos Aires' Cathedral Mayor on July 13, 1671, with Juan Báez de Alpoim and Gerónima Cabral in attendance as godparents and relatives of the groom.

He joined several military expeditions against tribes in the Pampas region and held the position of Maestre de Campo, leading the provincial militias of the Spanish Army.

[citation needed] Around 1690, the town council authorized him to slaughter the wild cattle within the jurisdiction of Buenos Aires Province, making him an accionero.

[10][verification needed] The cattle accioneros (roughly translated as "stockholders") of the Río de la Plata supplied meat and leather to Buenos Aires during the 17th and 18th centuries.