What was the message ?Help me

I read this story in my text book when i was in third standard but i hardly understand why it was given in a text book of an eight year old gal.So the story goes like this::
There was a boy names Shashi who used to work as a servant in a house of a businessman.Now this business used to give this small boy his every house hold from preparing his food to cleaning his house.He used to do all his work.For his small mistake his master used to scold him and punish him very hard.Even the wife of master used to treat him not in a good manner but ya she was better than her husband.He also didn't get food.His life was miserable.He was very upset from his life.
One day when he was working in kitchen.He was feeling very weak.Suddenly by mistake he got a cut in his fingers.He started crying badly and shouted for help.The wife of master came there .She shouted on him and ask to go to his room.That night when he got fever bcoz of weakness.Next day when his master asked his wife about him she told him that Shashi is not feeling good so let him take rest that day.Shashi really felt so happy.But he knew that this happiness will last for 1 or 2 days only.From next day his daily routine started.While he was working he got this idea.He took the knife and cut in his finger.He went to master's room and saw that to his wife.She really got annoyed this time but she allowed him to take rest.
In this way he actually using this plan at least once in a week .One day when he was cleaning the house he is fall down in ground .His master took him to a hospital.Doctors told him that bcoz of all the cuts in his body blood has not been clotted well there.Doctors tried a lot but couldn't save his life.
This is one of the depressing story of my life.Now as i m a working in a slum school my childhood 's doubt came in mind again.
What do u think is the story tells us that we should stop child labour or Shashi shouldn't lie or what?
I really don't know the answer.But whatever happened to that boy was not a justice?What was his mistake that he lost his life as a punishment?
Oh Jesus kindly give me the answer.