Most Confidential Devotees

In the Caitanya Caritamrta, it is stated that Caitanya Mahaprabhu Most confidential devotees:
1. Svarupa Damodara,
https://www.google.com/search?q=Svarupa+Damodara
2. Ramananda Raya,
http://www.stephen-knapp.com/ramananda_raya.htm
3. Sikhi Mahiti
https://vaniquotes.org/wiki/Category:Sikhi_Mahiti
4. Madhavi devi https://www.google.com/search?q=Madhavi+devi

These devotees are incarnations of the gopis

1. Visakha, 
2. Lalita, 
3. Ragalekha and 
4. Kalakeli, respectively. All four are maidservants of Srimati Radharani.

https://www.google.com/search?q=Chaitanya+Mahaprabhu+three+and+half