Gautam Swami (also spelled Gautam or Goutam) is revered in Jain texts as the first Ganadhar (chief disciple) of Mahavira and one of Mahavira’s most important companions. Diksha, in Jain context, means the formal initiation of a layperson into monkhood (renunciation and vows). In the tradition, Gautam Swami is said to have taken Diksha (renunciation) in Mahavira’s presence and subsequently became Mahavira’s principal disciple, transmitting Mahavira’s teachings as a Ganadhar.

Important notes:

• Both Digambar and Shwetambar traditions honor Gautam Swami as the first Ganadhar, but there are minor differences in narrative emphasis and exact phrasing of his life events.
• The Diksha event marks the beginning of his journey as a monk and his role in shaping the Jain oral and written doctrine.

If you’d like, I can share a brief, traditional description (arth) of Gautam Swami’s Diksha and his role in the Sutras, keeping to the authentic Jain interpretations.