Answer

Here are some Jain-friendly / spiritual girl names starting with A:

• Ahimsa – Non-violence; the central principle of Jain Dharma
• Aaradhya – Worthy of worship or devotion
• Arihanta – Related to Arihant Bhagwan; one who has conquered inner enemies
• Ananya – Unique, devoted, without another
• Amrita – Immortal, pure, divine nectar
• Apeksha – Consideration, expectation; can relate to thoughtful conduct
• Arjava – Straightforwardness, sincerity; one of the noble virtues
• Akshaya – Eternal, indestructible
• Anukampa – Compassion, kindness
• Atmaja – Daughter; born of the soul/self

Takeaway

If you want a name with a clear Jain spiritual meaning, Ahimsa, Arjava, Anukampa, and Aaradhya are especially meaningful.