BaroneItalian From the title barone"baron", derived via Latin from Germanic baro "man, warrior, servant".
BarsottiItalian Meaning uncertain, possibly derived from the Germanic word baro"man, warrior, servant".
EarlEnglish From the aristocratic title, which derives from Old English eorl meaning "nobleman, warrior". It was either a nickname for one who acted like an earl, or an occupational name for a person employed by an earl.
GuerreroSpanish Means "warrior" in Spanish, an occupational name for a soldier. It is derived from Late Latin werra "war", of Germanic origin.