Nurturing Humanity is Being a Humanitarian and Doing Humanitarian Services to the human irrespective of any human-made obstacles, using Cosmic Law( God-made law) and handling human-made laws ( State Laws) intelligently sans any expectation or reward whatsoever from the human save from the nature itself as designed by God.
Acts 10:28
"...எந்த மனுஷனையும் தீட்டுள்ளவனென்றும் அசுத்தனென்றும் நான் சொல்லாதபடிக்கு தேவன் எனக்குக் காண்பித்திருக்கிறார்."
"...But God has shown me that I should not call anyone impure or unclean."
Be away from being caste based: The Government and the Hon'ble Courts help us in this regard in India. See the following Judgments where the Tamil Nadu Government has issued G.Os and the Hon'ble Madras High Court has fortified it (Left Side Judgment) and the Hon'ble S.C of India has said that there is no caste system in Christianity and there is no bar in Christianity also for anyone to get reconverted (Right Side Judgment). Here are two important Judgments for anyone interested to know about caste based systems prevailing in India ( especially the Right side one): Are we free to decide our caste when we are of age ? - Analysed here by the Hon'ble Judges.