This is the 874th most frequent Portuguese word.
senador
Senador: Senator (a member of a senate).
In this case, 'senador' is a singular noun describing the general office or title held by an individual.
Senador é uma posição conquistada por votação popular em muitos países.
Senator is a position achieved through popular vote in many countries.
In this sentence, 'senador' is used as a noun to identify a member of the senate who is performing a political duty (giving a speech).
O senador discursou no plenário sobre a nova lei.
The senator gave a speech in the plenary about the new law.
Here, 'senador' is used as a noun to represent a generic role or position in the government.