The service, only at the samsara level it's a job, you can transform it into spirituality as mentally as an offering. Do it for the juhoshi, yadadasi, yad tapasya see,. whatever spiritual practice you do, tapasya literally means austerities. And when we control not only the external body and senses, but the mind, you focus it on God that also do it for me.
Swami Sarvapriyananda teaches Chapter 9 Verses 26-28 of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).