This is the 4135th most frequent Portuguese word.
roberta
"Roberta" is a feminine given name in Portuguese.
In this sentence, 'Roberta' is a proper noun, specifically a name, referring to a specific individual.
Roberta é uma professora dedicada.
Roberta is a dedicated teacher.
Here, 'roberta' is used metaphorically to represent a role or characteristic, implying someone who fits the description.
A roberta daquela empresa tem muito conhecimento técnico.
The 'roberta' in that company has much technical knowledge.
In this sentence, 'Roberta' is a name being referenced in a possibly figurative or unclear context, indicating a person discussed without direct connection.