Sardari became an Iranian diplomat in Paris in 1937. As the Holocaust struck, which eventually led to the crippling of the embassy. While many of Sardari's colleagues in the embassy fled to Vichy, France (a safer city at the time), he decided to remain in Paris. The Nazi-Germany invasion of France also led to the departure of Iran's ambassador in Paris, who was Sardari's brother in law, which is precisely what led to affairs of the embassy being left to Abdol Hossein Sardari.