Who is thritankara in jainism?

In Jainism, a Tirthankara is a spiritual teacher who has attained liberation (moksha) and guides others on the path to enlightenment. There are 24 Tirthankaras in the current age, with Lord Rishabhanatha being the first and Lord Mahavira, the 24th and most recent, serving as a significant figure in Jain philosophy. Tirthankaras are revered for their teachings, which emphasize non-violence, truth, and asceticism. They are crucial in establishing and propagating Jain principles and ethics.