A Kayastha by caste, he descended from the disciple-line of Lord Chaitanya. He was a chosen attendant of Lord Chaitanya, as well as a trusted watchman. Both Govinda and Kashishvara brahmachari were disciples of Ishvara Puri and were fully dedicated to the service of their guru. Later, at the time of his death, Ishvara Puri directed these two to serve Lord Chaitanya.
(Chaitanya Bhagavat) See more at : http://gaudiyahistory.com/govinda/