pitā - father; mātā - mother; guru - superior teacher; sakhā - friend; bhāva - the emotion; kene naya - let it be; kṛṣṇa-premera - of love of Kṛṣṇa; svabhāve - in a natural inclination; dāsya bhāva - the emotion of becoming a servant; se - that; karaya - does.

All the emotions, whether those of father, mother, teacher or friend, are full of sentiments of servitude. That is the nature of love of Kṛṣṇa.