Helping the Oppressors

Dont help the oppressors because you involved in divine torture.Our prophet, Muhammad, says, "If some one helps the oppressors with his whip, God will change go it to a dragon that dominates him. Then hell go to the Hell.As you know, helping the oppressors is one kind of the mortal sin. But it is necessary to make clear the various aspects of the aids and know are all kinds of them taboo or not?The author also mentions that Imam Khomeini isnt similar to the other jurists. He is unique in the jurisprudence history.