Dharmnath Bhagwan was the 15th Tirthankara in the current cycle of Jain cosmology. According to Jain tradition, each Tirthankara delivers the first sermon (Divya Dhwani), and their first chief disciple is called the 'Ganadhara'.

The name of Dharmnath Bhagwan's first Ganadhara (chief disciple) is Shreeyasha (શ્રેયષ). In some Jain texts, this name might be given as Shreyans or Shreyansha.

Summary:

• Tirthankara: Dharmnath Bhagwan (15th Tirthankara)
• First Ganadhara: Shreeyasha (Shreyansha)