﴿ وَيَحْلِفُونَ بِٱللَّهِ إِنَّهُمْ لَمِنكُمْ وَمَا هُم مِّنكُمْ وَلَٰكِنَّهُمْ قَوْمٌۭ يَفْرَقُونَ ﴾

“And they swear by God that they do indeed belong to you -the while they do not belong to you, but are [only] people ridden by fear:”

Please check ayah 9:57 for complete tafsir.