what are true christian mission works?

Jesus taugh his disciple many things about God purpose of his coming to the earth from heaven.Jesus had two fold purposes one was to heal all that was made sick by sins and to undo all the work of the Devil by doing good. Christian are follower of Jesus teaching and taught to help the needy and the poor,feed the hungry,clothes the naked and provide help to each other. because this will show that God people love each  other and the world.