Final answer:
Leon Trotsky was the famous exiled Russian who lived with Rivera and Kahlo.
Step-by-step explanation:
The famous exiled Russian artist who lived with Diego Rivera and Frida Kahlo was Leon Trotsky. Trotsky, a leader of the Russian Revolution, was exiled from Russia and sought refuge in Mexico. He stayed with Rivera and Kahlo for a short time before moving to a different location.