Noun
One who drives mules.
Source: Webster's dictionaryDon Quixote is given a bed in a former hayloft, and Sancho sleeps on the rug next to the bed; they share the loft with a muleteer. Source: Internet
Seeing what is happening, the muleteer attacks Don Quixote, breaking the fragile bed and leading to a large and chaotic fight in which Don Quixote and Sancho are once again badly hurt. Source: Internet