Answer

The 1st Tirthankar in Jain Dharma is Bhagwan Rishabhdev.

He is also known as:

• Adinath Bhagwan
• Rishabhanath
• Rishabhdev

Explanation

In Jain tradition, Bhagwan Rishabhdev is the first of the 24 Tirthankars of the present time cycle. The word Adinath means “the first Lord.”

He taught humanity the path of Dharma, non-violence, self-control, renunciation, and liberation.

Takeaway

Bhagwan Rishabhdev / Adinath is the 1st Tirthankar of Jain Dharma.