The song is in Kamwe language. It's a song of prayer to God in accordance with His word. "Come unto me, all ye that labour and are heavy laden, and I will give you rest." - Matthew 11:28 "Call unto me, and I will answer thee, and shew thee great and mighty things, which thou knowest not." - Jeremiah 33:3 calling on God to help. Nara means HERE I AM.