It means that we love God so much that we hand ownership of ourselves over to him, as when an Israelite in Bible times loved his master so much that he obligated himself to him permanently as a slave.
कारण जो कोणी आपला जीव वाचवू पाहतो, तो आपल्या जीवाला मुकेल आणि जो कोणी माझ्याकरिता आपल्या जिवाला मुकेल त्याला तो मिळेल. ”