raghunandanera kārya - the duty of Raghunandana; kṛṣṇera sevana - worshiping Lord Kṛṣṇa; kṛṣṇa-sevā vinā - except for worshiping Kṛṣṇa; iṅhāra - of him; anya - other; nāhi - there is not; mana - intention.

“Furthermore, it is the duty of Raghunandana to always engage in Lord Kṛṣṇa’s service. He has no other intention but the service of Lord Kṛṣṇa.”