Invocations for when you meet an adversary or a powerful ruler

اللَّهُمَّ إِنَّا نَجْعَلُكَ فِي نُحُورِهِم، وَنَعُوذُ بِكَ مِنْ شُرُورِهِمْ

Allāhumma innā najʿaluka fī nuḥūrihim, wa naʿūdhu bika min shurūrihim

O Allah, we place You before them and we take refuge in You from their evil.