Question: Is it permissible to say when seeking the help of Allaah, Glorified and Exalted be He, “O Mu‘een (Supporter)! O Lord!” or to say when asking to make easy what is difficult, “O Musahhil (He who facilitates)! O Muyassir (He who makes easy)! O Lord”? What is the governing principle in this regard? And what is the ruling on a person who says so inadvertently, ignorantly, or deliberately?
Answer: It is permissible to say what you have mentioned, because the One referred to by the “Supporter” and “He who makes easy” is Allaah, Glorified and Exalted be He, as you have declared at the end of your supplication, saying, “O Lord!”, whether you said it inadvertently, ignorantly, or deliberately… read more here.