The term 'all-knowing one' can refer to three different figures: a GURU, an ORACLE, and a SWAMI. A GURU is a spiritual teacher in Hinduism and other Indian religions who provides guidance and wisdom to their followers. An ORACLE is a person who is believed to be able to provide wise and insightful counsel or prophetic predictions. Finally, a SWAMI is a Hindu religious leader who has taken vows of celibacy and poverty and is devoted to spiritual practice. All three of these figures are believed to possess great knowledge and wisdom.