lasta
You are not
V – 2nd person masculine singular perfect verb + PRON – subject pronoun ta
Root Link: ل ى س
ʿalayhim
over them
P – preposition + PRON – 3rd person masculine plural object pronoun Ha
Root Link: ع ل ى
bimuṣayṭirin
a controller
P – prefixed preposition bi + N – genitive masculine indefinite (form II) active participle
Root Link: س ط ر