When one's relationship with the Supreme Lord is established, the next program is to act in that relationship. This is called abhidheya, or activity in relationship with the Lord. After executing such prescribed duties, when one attains the highest goal of life, love of Godhead, he achieves prayojana-siddhi, or the fulfillment of his human mission.
Śrī Caitanya-caritāmṛta Ādi-līlā 7.146, Bhaktivedanta Book Trust, 1975. Vanipedia - Quotes from Books - Quotes from Books: Loving God