I have no beef with Farage and with the amount of money he has made from his city dealings and his legal tax avoidance would certainly help in raising the amount that is needed. I doubt he would bother he has bigger fish to fry and he is no dodgier than some other characters involved with Radio Caroline's offshore days over the years, didn't see anyone complaining about where the money came from to keep the lady going in the past.
As for Jeremy Corbyn I'd take it from him too if he could get some money in for the cause, but would doubt he could get any money from Elon Musk who could get the money in no time. He says he's going to save the American tax pay $2 trillion, the Ross probably only need about £4 million.
Make the Ross great again