I agree with several points here. Firstly, I see no relation of this to why you feel others are treated better. Perhaps you could provide example. Secondly, if you are getting so much negativity and comments towards yourself it is time you looked within and be honest with yourself. There does come a time when one must consider their own culpability in how others treat them in return. Yes, I am being the devis's advocate here but what is it you are doing to have such negative experiences.

Talk to a therapist. Be 100% honest with yourself. Make a commitment to change.