"Tax exile" is a term used to describe individuals who leave their home country to live in another country with lower or no income taxes, in order to minimize the amount of taxes they have to pay. Full definition
«There is an amendment there which was passed in the Lords to deprive tax exiles of the right to make donations to political parties. (politics.co.uk)
The reason it wasn't adopted was because the Conservatives walked out, keen to protect donations from tax exiles such as Lord Ashcroft. (theguardian.com)
«This ruling could open the floodgates for HMRC to pursue thousands of British tax exiles for backdated tax. (newlawjournal.co.uk)