Parshvanatha is the 23rd Tirthankara in Jainism, a religion that emphasizes non-violence and spiritual liberation. He is believed to have lived around the 8th century BCE and is often depicted with a serpent canopy over his head, symbolizing protection. Parshvanatha is known for teaching the four main vows of Jainism: non-violence, truthfulness, non-stealing, and celibacy. His teachings laid the groundwork for the later development of Jain philosophy and ethics. Parshvanatha is also associated with the Naga or serpent, which represents his connection to nature and the importance of respecting all living beings. His followers celebrate his life and teachings through various rituals and festivals.