"His companion said," meaning: his devil, "Our Lord, I did not make him transgress," meaning: I did not lead him astray with any authority I had over him, "but he was in extreme error," far from guidance.
﴿قَالَ قرينه﴾ يَعْنِي: شَيْطَانه ﴿رَبَّنَا مَا أَطْغَيْتُهُ﴾ أَي: مَا أضللته بسُلْطان كَانَ لي عَلَيْهِ ﴿وَلَكِنْ كَانَ فِي ضَلَالٍ بَعِيدٍ﴾ ﴿من الْهدى