One who acts to serve Krishna with his body, mind, intelligence and words is a liberated soul, even within this material world.
Meditation means stopping all nonsensical activities, at least for the time being. Devotional service, however, not only puts an end to all nonsensical mundane activities, but also engages one in meaningful devotional activities. — The Nectar of instruction, Text 02
Lord has sent the rope of bhakti to pull all the conditioned soul suffering in dark well of illusion… hold firmly.
The human body is rarely achieved and although temporary like other bodies, it is meaningful because in human life one can perform devotional service. Even a slight amount of sincere devotional service can give one complete perfection.