Devil from the Latin "diabolus" meaning diabolical, disgraceful bad, or unpleasant.
From the teachings of The Most Honorable Elijah Muhammad
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2. Who is the colored man?
ANSWER: The Colored man is the Caucasian (white man). Or, Yacub’s grafted devil, the Skunk of the planet Earth.
Don't get it twisted though. Black folks can be devils too. In fact we were the 1st to display this type of behavior... Devil is not some imaginary red creature with a pitchfork. It is a spirit that inhabits us.
Sounds spooky, but when you frame the word spirit the way that we might frame "team spirit" at a pep rally it makes more sense.
When you let the spirit move you we could call that possession, but it doesn't have to be a bad thing. "I don't know what came over me, but I had to do something to save that child's life."
That is spirit led by higher self, but when driven by lower self we end up with evil. Now when that evil is not limited to ourselves but rather it spreads we have devil... Like Hitler stirring up the worst in men with a motivational talk (backed by fear).
"D" evil
Divinely evil
Hitler was divinely evil. He was a devil.