o perform the ordination ceremony, one needs a Sangha of at least five monks, one of whom must be a knowledgeable senior monk of at least ten years who will be the candidate's Preceptor (UPAJJHAYA). The Preceptor will be responsible for that candidate throughout his monastic life and the candidate should, in turn, take care of his Preceptor as if he was his father. Thus the ceremony continues with the candidate choosing his Preceptor, and the Preceptor agreeing.