On Gaura's right is Nityananda, Left is Gadadhara, Nearby is Advaita, and then Srinivasa?
I researched online and found this from another song of Bhaktivinode Thakur in same Gitavali where Gaura Arati is from: Sriman Mahaprabhura cata-nama A Hundred Names of Lord Caitanya Text 9 adwaita-bandhaba Srinibasa-grha-dhana nityananda-prana gadadharera jibana O friend of Advaita (Advaita-bandhava), O wealth of Srivasa's home (Srinivasa-grha-dhana), O life of Nityananda (Nityananda-prana), O life of Gadadhara (Gadadhara-jivana)!
So translation of Srinivasa-grha is Srivas.
So definitely Gaura Arati is referring to Srivas Pandit. That is Panchatattva picture being drawn for us.