This is the 808th most frequent Portuguese word.
paulista
A "paulista" is a person from São Paulo, Brazil.
In this sentence, 'paulista' is used as a noun to describe a person from São Paulo state, Brazil.
Ela é uma paulista que adora a culinária local.
She is a Paulista who loves the local cuisine.
Here, 'paulista' functions as an adjective to describe the culture originating from São Paulo.
A cultura paulista é muito diversificada e rica.
Paulista culture is very diverse and rich.
In this context, 'paulista' acts as an adjective to specify the team associated with São Paulo.