Complex sentence: Jains accept Lord Rsabha as Rishabha, their first Tirthankar; however their practices are atheistic and contradictory to the teachings of Lord Rsabha in the Srimad Bhagavatam.
Split into simpler sentences: Jains accept Lord Rsabha as Rishabha, their first "Tirthankar". Hindus regard their practices are atheistic and contradictory to the teachings of Lord Rsabha in the Srimad Bhagavatam.