Iblis

Iblīs (alternatively Eblis or Ibris) is a figure frequently occurring in the Quran, commonly in relation to the creation of Adam and the command to prostrate himself before him. After he refused, he was cast out of heaven. For many classical scholars, he was an angel, but is regarded as a jinn in most contemporary scholarship.

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Mateen Charbonneau, Sheikh Mateen Joshua Charbonneau achieved a certificate from Harvard University in Islamic Studies. He undertook Howza classes under esteemed scholars since 2013 and has been teaching at Imam Mahdi... Answered 9 months ago

He had the choice to sin or not. Some beings are stubborn and arrogant. We see this with humans as well that they know the truth of Allahs punishment yet still persist in sin knowingly.