Complex sentence: Lennon became convinced that the Maharishi, who said he was celibate, had made a pass at Farrow or was having relations with other young female students and later called the Maharishi a "lecherous womaniser".
Split into simpler sentences: Lennon became convinced that the Maharishi, who said he was celibate, had made a pass at Farrow or was having relations with other young female students. Lennon later called the Maharishi a "lecherous womaniser".