Or he may already know the proper guidance in that matter yet deliberately act against it; such a person needs to repent.
Another category comprises matters in which he has not learned the path of guidance at all, neither in knowledge nor in practice, so he has missed out on guidance to understand them, to intend and desire them (1), and to carry them out.
There are also matters in which he has been guided from one angle but not from another; here he requires complete guidance regarding them (2)(3).
Likewise, there are matters for which he has been guided to the principle but not to the details, so he needs detailed guidance.
Finally, he may have been guided to the path itself, yet he (4) still needs further guidance along that path, for being shown the way is one thing while being guided within the way is something else entirely (5). Do you not see that a person may know (6) that the road to a given town (7) is such-and-such, yet he does not know how to travel it? Walking it safely requires its own special guidance (8), such as setting out at one time rather than at another (9).