This perfect knower is with his student. The perfect person may die in a matter that he does not know and the disciple learns it, so the sheikh bears witness to it from the student, just like what was mentioned in the two hadiths before this. This is the situation of the students with the sheikhs, for the sheikhs do not take precedence over them except in certain matters that are required for the followers, so if the disciple is a disciple. Other than that Sheikh, and by the disciple I mean the student and the man from among the people other than that Prophet in the time before the time of the Messenger of God, may God bless him and grant him peace. If the issue that this deficient person is ignorant of is specific to the general path in terms of what it is a path to God, then it is for someone other than his Sheikh to purify him from it by what has become clear to him. And he has the right to accept it from him if he wants success and fulfills his rights, even if the issue of whi