Advice

My parents are abusing my sister and I and I I know they are hitting her but she won’t tell me and I feel really bad because it my fault she even getting hit I need her to tell me I see her when I go to sleep she is hurting and I don’t know what to do I did my best for her mot to get beat because I was getting beat since I was 5 and I told myself that they would touch her I just don’t want her to get raped like I did it started by him hitting and then he was feeling up one me then he just raped me and he did it more then once I just can’t have her go throw this how do I get to talk to me I need to know I don’t want her to try and end her life because if she do there will be no reason for me to live this was the one thing I wanted to make sure wouldn’t happen I’m a disappointment and a waste of space