king goodwill zwelithini allegedly compared foreigners to ` ants ' and ` lice '
back in 2012 the 67-year-old told followers homosexuals were ` rotten '
but father-of-28 's lavish lifestyle with his six wives is equally controversial .
last year he declared himself bankrupt having spent £ 250,000 on wedding .
yet just last month he bought a mercedes for each wife - plus a spare .