How Did Christianity and Islam End Up Calling Satan by the Same Name?

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Satan, the personification of evil and adversary of God, is a prominent figure in both Christianity and Islam. However, the origin and evolution of this dark force differs between the two Abrahamic faiths. An intriguing question arises – how did Christianity and Islam end up using the same name for this nefarious entity despite their divergent theological backgrounds?

The Genesis of Satan in Christianity

In Christianity, the emergence of Satan traces back to angelic origins. He is believed to have been created by God as a glorious angel named Lucifer, one of the Seraphim or highest choir of angels. Lucifer, whose name means ‘light-bearer’, possessed great wisdom, beauty and splendor. However, over time pride and ambition corrupted him and led to an uprising against God.

This account is described metaphorically in Isaiah 14:12:

How you have fallen from heaven, morning star, son of the dawn! You have been cast down to the earth, you who once laid low the nations!

Lucifer’s failed insurrection results in his banishment from heaven. He is stripped of his former glory and status as an angel, and assumes the name Satan, meaning ‘adversary’ or ‘accuser’.

Revelation 12:9 offers further details:

The great dragon was hurled down—that ancient serpent called the devil, or Satan, who leads the whole world astray. He was hurled to the earth, and his angels with him.

As Satan, he becomes the enemy of God and humankind, seeking to undermine God’s will and tempt humanity towards sin. His demonic spirit opposes divine goodness.

This depiction of Satan’s origins and demonic purpose is consistent across all mainstream Christian denominations, though details vary. The key aspects established Biblically portray him as a fallen angel who rebelled against God and now promotes evil.

Iblis: The Islamic Version of Satan

In Islam, the devilish figure is known as Iblis. His backstory in the Quran differs significantly from the Judeo-Christian narrative.

According to Islamic belief, Iblis was not an angel but a jinn. The jinn were beings created by Allah from smokeless fire, distinct from humans made of clay and angels of light. Among the jinn, Iblis distinguished himself as intensely pious and rose to a high stature.

However, when Allah commanded His creations to bow down before Adam, Iblis refused out of pride and jealousy. His arrogant disobedience incurred Allah’s wrath. As punishment, Allah banished Iblis from the heavenly realm and condemned him to hellfire.

This account is described in Quran 7:11-12:

And We have certainly created you, [O Mankind], and given you [human] form. Then We said to the angels, “Prostrate to Adam”; so they prostrated, except for Iblees. He was not of those who prostrated.

[Allah] said, “What prevented you from prostrating when I commanded you?” [Satan] said, “I am better than him. You created me from fire and created him from clay.”

Post-banishment, the vengeful Iblis vowed to misguide humanity and lead them astray from the righteous path of Allah. He also obtained respite until the Day of Judgment to achieve his nefarious goals. Thus, Iblis assumed the role of Shaitan (Satan), becoming the perpetual enemy of Allah and mankind.

The Convergence of Satan and Iblis

The Judeo-Christian and Islamic narratives offer vastly different perspectives on the origins of the devilish antagonist. However, Satan and Iblis essentially play equivalent adversarial roles against God and humanity. Over time, the Arabic name ‘Iblis’ was replaced by the familiar ‘Satan’ in Islamic traditions.

Scholars propose several factors that enabled this convergence:

  • Exposure to Biblical traditions: Early Muslims interacted extensively with Jews and Christians well-versed in Biblical lore concerning Satan. This exposure facilitated adoption of the name and backstory.
  • Demonization of pagan deities: Associating jinn like Iblis with Satan served to demonize pagan Arabian spirits as evil entities opposing the true faith.
  • Similarity in antagonistic roles: Despite divergent origins, Satan and Iblis shared fundamental attributes as tempters of mankind and adversaries of God. Their functional equivalence may have led to interchangeable naming.
  • The concept of evil: Both faiths required a singular embodiment of evil versus divine good, fulfilled by Satan/Iblis as humanity’s enemy.
  • Universal archetypes: Satan/Iblis emerged as manifestations of the shadow archetype – representing the darker aspects of human nature. This universality allowed integration.


In conclusion, Christianity and Islam adopted the same name for the devil – Satan or Iblis – despite their disparate theological foundations. The convergence likely arose from cultural interactions, assimilation of Biblical myths, and the inherent similarity between Satan and Iblis as personifications of evil opposing God. This integration was possible because the two faiths drew upon universal archetypes of good versus evil. Regardless of origins, Satan/Iblis fulfilled the powerful archetype of the shadow – an antagonistic force seeking to undermine spiritual growth and morality.

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