If he is compelled to work in order not to lose his source of livelihood, then there is nothing wrong with it, because (necessities make forbidden things permissible), but if there is no harm in leaving it, then he should leave it and seek his reward from God

The tax law often depends on the country in which you reside, regardless of the country from which you operate, except corporate and institutional taxes, as they are subject to the country’s taxes, regardless of the country in which their owners reside