Say, "Indeed, I do not possess for you [the power of] harm or right direction."
The Saheeh International Quran Translation
قُلْ إِنِّى لَآ أَمْلِكُ لَكُمْ ضَرًّا وَلَا رَشَدًاSay, "Indeed, I do not possess for you [the power of] harm or right direction."