Translation for 20:85

قَالَ فَإِنَّا قَدۡ فَتَنَّا قَوۡمَكَ مِنۢ بَعۡدِكَ وَأَضَلَّهُمُ ٱلسَّامِرِيُّ ٨٥
Allah responded, “We have indeed tested your people in your absence, and the Sâmiri1 has led them astray.”

Foot notes

76940

 The Sâmiri, or the man from Samaria, was a hypocrite who led the Children of Israel into idol-worship.