Satan's manipulation

إِنَّمَا ذَٰلِكُمُ ٱلشَّيْطَـٰنُ يُخَوِّفُ أَوْلِيَآءَهُۥ فَلَا تَخَافُوهُمْ وَخَافُونِ إِن كُنتُم مُّؤْمِنِينَ

That is only Satan who frightens [you] of his supporters. So fear them not, but fear Me, if you are [indeed] believers.