Harborne, who also goes by the Thai name of Chakrit Sakunkrit, is a wealthy businessman in his early sixties who made millions investing in cryptocurrencies such as bitcoin and Tether, and also owns the international jet fuel broker AML Global. He has lived in Thailand for two decades but maintains a keen interest in British politics. He donated £1 million to Boris Johnson’s private office when he stepped down as Tory leader. Before that he also gave Nigel Farage’s Brexit Party, the forerunner of Reform, a total of £10 million. The party plans to use Harborne’s lucre to fight 5,500...