Someone please help me?

You have gone through an awful lot at such a young age. You are definitely depressed and there is help for you. You can go to the site nami.org which is the site for the National Alliance on Mental Illness. On their site you can find the 800 number will give you the number for your local chapter. They are there for support, information, and they have the best resources for the help that you need in your area. Please talk to them they can help you. With the right help you can lead a happy and productive life. Take care of yourself you don't deserve to be living with the feelings that you have.