Force him to be an artist, a writer, a journalist, any type of creative.

No one can take all of his personal wealth. A huge chunk is hidden and protected by shadow companies, likely registered in Nevis. In other words, no one can discover all the money he controls, and so can't take it.

The filthy rich will always be filthy rich, unless they're thrown in prison for some reason they can't avoid, like they steal from the filthy rich. Harming the filthy rich is the only way a filthy rich asshole ever faces consequences. I mean, apart from the obvious other option.