According to Jain tradition, the Gautama here is Indrabhuti Gautama, a chief disciple of Mahavira from Brahmin caste. But his first name (Indrabhuti) is from commentaries and never mentioned in the early Jain sutras, so some people think his portrayal is taken from our Gotama the Buddha (or perhaps, the wildest theory, the Buddha was a Jain disciple before giving up the asceticism and discovering the Buddhist middle path):
