adelantado
Noun
Meaning
A governor of a province; a commander.
Source: Webster's dictionaryExamples
Francisco de Montejo "El Adelantado" appointed his nephew, Francisco de Montejo "el Sobrino", to head the conquest of the eastern Yucatán, which was achieved after many bloody battles, ending with the foundation of the city of Valladolid on May 28, 1543.
The Pongo de Manseriche was first discovered by the Adelantado Joan de Salinas.