Concern for friends, relatives and children may also act as a kind of gravity that holds souls (post mortem) back in the earth sphere. It is important to pay attention to this because by taking it into account we can also help the dead. If, for instance, we realize that the departed soul feels anxiety for a living person — and much can come to our knowledge in this respect — it will help the dead person in his further development to relieve him of this anxiety. We ease the life of someone who has died by relieving him, for example, of anxiety about a child whom he has left behind unprovided for. By doing something for the child, we relieve the dead person of anxiety, and this is a true service of love. Let us picture such a situation. The dead person has not available the means to rid himself of anxiety. From his realm he may be unable to do anything that would ease the circumstances of a child, a relative or a friend. He is often condemned — and in many cases this weighs heavily upon the seer — to bear the anxiety until the situation of the one left behind improves of itself or by circumstances. Therefore, if we do something to better the situation we will have performed a real deed of love for the dead one.
Source: Rudolf Steiner – GA 140 – Life Between Death and Rebirth: Man’s Journey through the Cosmic Spheres after Death – Munich, 12th March 1913