Hardest Joke In The World Brain Teaser

what has 7 letters, if you eat it you will die, rich people need it, poor people have it, it is greater than God and more evil than the Devil... what is it?
Nothing has 7 letters; if you eat nothing you will die. Rich people need nothing; poor people have nothing. NOTHING could ever be greater than God and I doubt there's anything more evil than the Devil himself.
End Of Game