YOU SAID:

if everyone is rich, than nobody is poor

INTO JAPANESE

誰もが金持ちなら、貧乏人はいない

BACK INTO ENGLISH

If everyone is rich, there are no poor people

INTO JAPANESE

誰もが金持ちなら貧乏人はいらない

BACK INTO ENGLISH

If everyone was rich, there would be no need for poor people

INTO JAPANESE

誰もが金持ちなら、貧乏人はいらない

BACK INTO ENGLISH

If everyone was rich, there would be no need for poor people