If he's a Nazi collaborator, then it seems like the Mosad would have an interest. I'd love to devise a plan to run him out of money - put him on the street!
In Hungary Soros’s father engineered a swap where Georgie boy was given over to a Christian family. He changed his name and managed to avoid the Nazi pogrom. Following the war he somehow wormed his way onto the Hungarian skii team and apparently used that dodge to escape to London. And the rest is history.