gopīnātha siṁha — eka caitanyera dāsa
akrūra bali' prabhu yāṅre kailā parihāsa
gopīnātha siṁha - Gopīnātha Siṁha; eka - one; caitanyera dāsa - servant of Lord Caitanya; akrūra bali' - famous as Akrūra; prabhu - the Lord; yāṅre - whom; kaila - did; parihāsa - joking.
Actually he was Akrūra, as stated in text 117 of the Gaura-gaṇoddeśa-dīpikā.