A professor is also a member of a profession, presumably one [comprisingpeople] who see their discipline as vocation in its full sense. A vocation (from vocare, to call) is a [calling]Despite some modern [usages] which reduce it to the practicalities of employment-practice and not theory, the product of training, not education-a vocation is [more] than this. A calling is active as well as passive; it implies a [sense] of purpose. There is a guilty to be vocal.