Devadatta is a figure in Buddhist texts, often depicted as a cousin and rival of Siddhartha Gautama, who later became known as the Buddha. He is known for his attempts to undermine the Buddha's teachings and for advocating stricter monastic rules. In various stories, Devadatta is portrayed as ambitious and envious, seeking to gain followers and power within the Sangha, the community of monks. His actions ultimately lead to his downfall, illustrating themes of jealousy and the consequences of straying from the path of enlightenment.