Both Kasisvara and Govinda were Godbrothers of Sri Caitanya Mahaprabhu, and thus the Lord duly honored them as soon as they arrived. But because Isvara Puri had ordered them to give Caitanya Mahaprabhu personal service, the Lord accepted their service

Expressions researched:
"Both Kasisvara and Govinda were Godbrothers of Sri Caitanya Mahaprabhu, and thus the Lord duly honored them as soon as they arrived. But because Isvara Puri had ordered them to give Caitanya Mahaprabhu personal service, the Lord accepted their service"

CC Adi-lila

Both Kāśīśvara and Govinda were Godbrothers of Śrī Caitanya Mahāprabhu, and thus the Lord duly honored them as soon as they arrived. But because Īśvara Purī had ordered them to give Caitanya Mahāprabhu personal service, the Lord accepted their service.

CC Adi 10.140, Translation:

Both Kāśīśvara and Govinda were Godbrothers of Śrī Caitanya Mahāprabhu, and thus the Lord duly honored them as soon as they arrived. But because Īśvara Purī had ordered them to give Caitanya Mahāprabhu personal service, the Lord accepted their service.