Word by Word Analysis

فَفَرَرْتُ مِنكُمْ لَمَّا خِفْتُكُمْ فَوَهَبَ لِى رَبِّى حُكْمًا وَجَعَلَنِى مِنَ ٱلْمُرْسَلِينَ 21

So I fled from you when I feared you. Then my Lord granted me judgement [i.e., wisdom and prophet hood] and appointed me [as one] of the messengers.