agentem

In a sentence

• Pan Kowalski jest najlepszym agentem w naszej firmie.

  Mr. Kowalski is the best agent in our company.

  Here, 'agentem' is used as the instrumental form of the noun 'agent', denoting that Kowalski performs as an agent.

• W grze strategicznej wcielałem się w agentem tajnej organizacji.

  In the strategy game, I played the role of an agent of a secret organization.

  In this sentence, 'agentem' is used as the instrumental case referring to a role identified with an agent.

• Dzięki rozmowie z agentem udało nam się rozwiązać problem.

  Thanks to the conversation with the agent, we managed to solve the issue.

  Here, 'agentem' indicates the instrumental case, describing the mode of interaction involving the agent.