He served as bishop of Santa Cruz de la Sierra from 1646 to 1659, and as archbishop of Santafé in Nueva Granada (now Bogotá) from 1659 until his death in 1678.

Arguinao y Gutiérrez was born in Lima, Viceroyalty of Peru, in April 1588.

[1][2] On 10 September 1646, Pope Innocent X appointed Arguinao bishop of Santa Cruz de la Sierra in what is now Bolivia.

[1] He was consecrated bishop on 17 November 1647 by Pedro de Villagómez Vivanco, the archbishop of Lima.

[1] He served there until 1659, when he became archbishop of Santafé en Nueva Granada (now the Archdiocese of Bogotá in what is now Colombia).