senatora

In a sentence

• Senatora zaproszono na spotkanie.

  The senator was invited to the meeting.

  This usage denotes the genitive or accusative case depending on the grammatical structure, referring to the senator in a formal context.

• Przeczytałem książkę o życiu senatora.

  I read a book about the senator's life.

  Here, 'senatora' is in the genitive case, describing possession or a characteristic related to the senator.

• Rozmawiałem z senatorem o polityce.

  I talked with the senator about politics.

  In this sentence, the word 'senatorem' uses the instrumental case to indicate the party involved in the action.