This is the 2239th most frequent Polish word.
senator
A member of the senate or a legislative body in Poland.
In this sentence, 'senator' refers to a member of a senate, a legislative body in the government.
Senator wygłosił przemówienie w parlamencie.
The senator gave a speech in the parliament.
Here, 'senatorem' is the instrumental form of 'senator' used to describe a person's current occupation.
Nasz sąsiad został nowym senatorem.
Our neighbor has become the new senator.
This sentence uses 'senatorowi,' the dative form of 'senator,' to denote the indirect object of the sentence.