This is the 1942nd most frequent Portuguese word.
mauro
"Mauro" is a male given name in Portuguese, equivalent to "Maurice" or "Maurus" in English.
Here, 'mauro' is used similarly to the original sentence, though often it is not common as a general noun and could still imply a person's name.
Conheci um mauro muito interessante na biblioteca.
I met a very interesting Mauro at the library.
In this context, 'Mauro' is used to directly address the person whose name is Mauro in a conversational request manner.
Mauro, você poderia ajudar com os pratos?
Mauro, could you help with the dishes?
In this sentence, 'Mauro' is used as a proper noun to refer to a person's name, particularly a male individual.