kṛṣṇa-avatāre—in the incarnation of Lord Kṛṣṇa; jyeṣṭha hailā—He became the elder brother; sevāra kāraṇa—for the purpose of service; kṛṣṇake—to Kṛṣṇa; karāila—made; nānā—various; sukha—happinesses; āsvādana—tasting.