The line "Keep me free from burden" should actually read "Keep me free from birth", and "My love" should be "My Lord." He's singing about wanting to be free from the sufferings of the physical world, ie free from reincarnation, and to be close to God. He's asking God to help him break free from the trappings and burdens of this world and to transcend into the next.
The line "Keep me free from burden" should actually read "Keep me free from birth", and "My love" should be "My Lord." He's singing about wanting to be free from the sufferings of the physical world, ie free from reincarnation, and to be close to God. He's asking God to help him break free from the trappings and burdens of this world and to transcend into the next.