sāta-sampradāye - in the seven groups; nṛtya kare - danced; sāta jana - seven persons; advaita ācārya - Advaita Ācārya; āra - and; prabhu-nityānanda - Lord Nityānanda.

In each of the seven groups was a principal dancer, such as Advaita Ācārya or Lord Nityānanda.