This is the 7475th most frequent Portuguese word.
müller
"Müller" is not a Portuguese word; it is a German surname meaning "miller" in English.
In this sentence, 'Müller' is used as a proper noun likely referring to a person's surname, common in German-speaking contexts.
O Müller é o jogador favorito no time de futebol.
Müller is the favorite player in the soccer team.
Here, 'Müller' is again used as a surname, with the article 'A' indicating a female with this surname, typical in social or narrative contexts.
A Müller comprou um quadro famoso para sua coleção.
Mrs. Müller bought a famous painting for her collection.
In this sentence, 'Müller' refers to a named place or establishment, emphasizing association with ownership or identity.