the obligatory charity* is only for the destitute and the really needy and those who collect it and for those in whose hearts the love of islam needs to be instilled** and to free slaves and to debtors and in allahs cause*** and to the traveller this is decreed by allah and allah is all knowing wise. 
إنما الصدقات للفقراء والمساكين والعاملين عليها والمؤلفة قلوبهم وفي الرقاب والغارمين وفي سبيل الله وابن السبيل فريضة من الله والله عليم حكيم