It is saying that if you will serve and if you will do something  for the welfare of mankind THE GOD will help you in your life in every movement .a question is raised that if you will do something for the welfare of common men what you will get in this world ,the answer is if you will help the common people God will help you instead of common men help .it prove that to help the other people is very noble act for the common men .we should help the helpless person the person who is poor in the time we should help them giving them some money ,some food ,some clothes ,either you cant do anything you are also poor you can give them the water ,it is very common and found everywhere in the world .you can give them, water and get the kindness of God in your life and God will pleased with you in life .if the God will be pleased with you in your life ,the life will be easier and most successful in the whole life then you can get the right path of guidance of God then you can spend your life according to the teaching of the God in the right way and good way of the life, then you will be a good man and a noble person .in the eyes of ALLAH the most righteous is the most honorable .so we should avoid of doing bad things .and A good person is one who is nice to everyone and forgives you when you do  which are troubling you in your life they will be your friend.