A person involved in politics, especially as an elected official or prominent figure. Can carry a neutral or slightly formal tone.
He wants to become a politician in the future.
その政治家は演説で環境問題について語った。
The politician spoke about environmental issues in his speech.
He became a politician while still young.
She spoke in her capacity as a politician.
He had aimed to become a politician since his university days.
corrupt politician
kleptocrat; corrupt politician