This is the 1642nd most frequent Portuguese word.
mário
"Mário" is a Portuguese male given name equivalent to "Mario" in English.
In this sentence, 'Mário' is used as a proper noun, denoting a person's name.
Mário gosta de jogar futebol aos finais de semana.
Mário likes to play soccer on weekends.
Here, 'Mário' again serves as a proper noun specifying someone's name mentioned in the context of acquaintance.
Eu tenho um amigo chamado Mário.
I have a friend named Mário.
In this case, 'Mário' is referenced in the context of a well-known character name, possibly Mario from video games.