In plain words
By my guru's grace may the devas and the brāhmaṇas bless me to sing this Harināmakīrttanam. Born a human being, let me keep singing it until the hour of death. Salutation to Nārāyaṇa.
Word for word
By the grace of the guru, may the devas and the brāhmaṇas grant that I speak this Harināmakīrttanam; having been born a human, until death comes, grant that I keep speaking it. Salutation to Nārāyaṇa.