Question: Sufis claim that their seeking help from and calling upon the righteous servants of Allaah is only metaphorical, and that in reality, Allaah (Glorified and Exalted be He) is the One from Whom they are seeking help. How should we answer them, considering that they justify their practice by citing the Aayah (which means): You killed them not How do you refute this claim?
Answer: Firstly, seeking help from and calling upon others besides Allaah, such as the dead, absent people, idols, etc. Is a form of Shirk (associating others with Allaah in His Divinity or worship). Similarly, seeking help from or calling upon living people for help in matters that cannot be helped by anyone other than Allaah is also a form of major Shirk which takes one out of the fold of Islaam… read more here.