Proper noun
Fiero (plural Fieros)
A surname.
Is this gold three-wheeled Fiero worth the $4,200 the seller is asking? Source: Internet
In 1837 Warm Springs Mimbreños' head chief and famed raider, Soldado Fiero a.k.a. Fuerte was killed by Mexican soldiers of the garrison at Janos (only two days' travel from Santa Rita del Cobre), and his son Cuchillo Negro succeeded him as head chief. Source: Internet