YOU SAID:

Can't get angry upon the ones who are the angriest.

INTO JAPANESE

一番怒っている人に怒ることはできません。

BACK INTO ENGLISH

You can't be angry at the person who is the most angry.

INTO JAPANESE

一番怒っている人に対して怒ることはできません。

BACK INTO ENGLISH

You can't be angry at the person who is the most angry.