A: Cooperation may be done covertly or overtly, though it should basically be overtly so that the listener may benefit from what is said to him. Cooperation and guidance represent public advice for the society. This is the original basis, unless an Islamic interest requires covert advice, for fear that some people may be too proud to accept open public advice. In this case, the advice should be in secret. The advisor and guide should seek the appropriate way to deliver advice; if advising, calling and helping in righteousness in public can benefit the attendants and provide public interest, he should do so. If the interest requires providing advice in secret, he should do so. The objective is to avail the one advised and the whole society; so whatever means can achieve this is required, whether in secret or in public. The advisor and caller to Allah are like the physician who seeks the appropriate time, quantity and quality. Likewise, the caller to Allah and advisor should seek what is most appropriate and beneficial.