17:27 Yusuf Ali Verily spendthrifts are brothers of the Evil Ones; and the Evil One is to his Lord (himself) ungrateful.
2:168 Yusuf Ali O ye people! Eat of what is on earth, Lawful and good; and do not follow the footsteps of the evil one, for he is to you an avowed enemy.
17:64 Yusuf Ali "Lead to destruction those whom thou canst among them, with thy (seductive) voice; make assaults on them with thy cavalry and thy infantry; mutually share with them wealth and children; and make promises to them." But Satan promises them nothing but deceit
4:76 Yusuf Ali Those who believe fight in the cause of Allah, and those who reject Faith Fight in the cause of Evil: So fight ye against the friends of Satan: feeble indeed is the cunning of Satan.
16:98 Yusuf Ali When thou dost read the Qur'an, seek Allah's protection from Satan the rejected one.
36:60 Yusuf Ali "Did I not enjoin on you, O ye Children of Adam, that ye should not worship Satan; for that he was to you an enemy avowed?-
2:208 Yusuf Ali O ye who believe! Enter into Islam whole-heartedly; and follow not the footsteps of the evil one; for he is to you an avowed enemy.
58:10 Yusuf Ali Secret counsels are only (inspired) by the Evil One, in order that he may cause grief to the Believers; but he cannot harm them in the least, except as Allah permits; and on Allah let the Believers put their trust.
35:5 Yusuf Ali O men! Certainly the promise of Allah is true. Let not then this present life deceive you, nor let the Chief Deceiver deceive you about Allah.
24:21 O ye who believe! follow not Satan's footsteps: if any will follow the footsteps of Satan, he will (but) command what is shameful and wrong: and were it not for the grace and mercy of Allah on you, not one of you would ever have been pure: but Allah doth purify whom He pleases: and Allah is One Who hears and knows (all things). [24:21]
Follow not in the footsteps of Satan (The evil one, Chief deciever, The rejected/expelled). = worship of Satan. And fits with my understanding of spirits.
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