Answer

In the Shvetambar Jain tradition, the title “Paramārhat” / “Paramahat” is most commonly associated with Āchārya Hemachandra Suri.

He is respectfully remembered as Kalikāl Sarvajña and was a great Shvetambar Jain Āchārya, scholar, poet, grammarian, and spiritual teacher.

Explanation

Āchārya Hemachandra Suri lived in Gujarat and had great influence during the time of King Siddharāja Jayasiṃha and King Kumārapāla. Because of his extraordinary knowledge and contribution to Jain Dharma, literature, grammar, philosophy, and ethics, he received many honorific titles.

If by “Parmahart” you mean a different spelling or a specific sectarian title, please share the exact Gujarati/Hindi/Sanskrit word, and I can clarify more accurately.

Takeaway

In Shvetambar Jain tradition, Āchārya Hemachandra Suri is one of the most highly honored Jain Āchāryas, known for his immense wisdom and contribution to Jain Dharma.