kleptocrat; corrupt politician
A derogatory term for a politician who uses their position for personal gain, especially through theft or embezzlement. Strongly negative and colloquial.
That kleptocrat embezzled public funds.
Let's vote out the corrupt politicians.
汚職政治家 is a more formal term for a corrupt politician, while 泥棒政治家 is a harsher, more colloquial insult.
Compound of 泥棒 (thief) and 政治家 (politician). The term is a straightforward pejorative likening a corrupt politician to a common thief.