لَّسْتَ عَلَيْهِم بِمُصَيْطِرٍ
Lasta AAalayhim bimusaytirin
Abdel Haleem: you are not there to control them

Interlinear Analysis

1
lasta
لَيْسَ
Root: ل ي س
Verb
2
ʿalayhim
عَلَى
Root: ع ل ي
Prep.
3
bimuṣayṭirin
مُصَيْطِر
Root: س ط ر
Noun