Pedro brought with him to Urgell his armour-bearer (armiger), a knight by the name of Íñigo Pérez. Only the greater magnates could afford to employ officers like this. The armiger, or alférez, was responsible for leading Pedro's mesnada (retinue) into battle.
Pedro brought Íñigo Pérez, an officer, to Urgell. Only the most influential individuals could afford such positions. The armiger or alférez was responsible for leading Pedro's mesnada into combat.