Lucifer, Hero or anti Hero depending on the  various epoch's  administrative requirements.
Simultaneously opposite meanings in secret and public domain organisations.
An invented tool of Government.

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Caution this convenient  potted history of the words Satan and Lucifer is written by a prominent Nazi supporter of Lyndon Larouche.
The Nazi attitude is to confront and  demonise religions to drive the common people into their own influence. A centuries old trick that simply exploits the always present discontent amongst the populace. So be eclectic.