How do I stop being depressed?

"Before 당신 diagnose yourself with depression 또는 low self-esteem , first make sure
that 당신 are not, in fact, simply surrounded 의해 assholes."
- William Gibson
From what I've heard, 당신 have a really unsupportive group of people surrounding you. No wonder 당신 feel so low. It's definitely hard to remain happy, optimistic 또는 positive when negativity surrounds you. First try talking to your parents. Tell them politely but firmly that 당신 think your brother's antics are going out of hand and to take matters into hand when his antics are starting to get nasty. Of course, a little bit of sibling fight is healthy, but as long as matters stay in hand. And for those people, who are making 당신 feel bad, ignore them. They just won't be able to feel good about themselves until they hurt somebody. Sometimes if they get that their cheap mindgames are not breaking through to you, they may drop it. But if 당신 find that, with every time 당신 remain silent their bullying increases, speak up and give them a peice of your mind so that 당신 will able to sleep well and peacefully at night.
And as a last resort, try moving out as soon as 당신 can and try hanging out with a new group of friends. Hope everything works out for you. Good luck :)

Well actually I had and am facing similar depression from past 2 weeks. Yesterday I cried all 일 because of a person.

But 당신 know what crying for people who really don't care about 당신 is a waste of time and I have realized it. If your parents don't care about it then don't cry like a coward and just let them know that if they don't care 당신 won't care about them too.

A tip as your 프렌즈 bully 당신 (they aren't actually your 프렌즈 then but your enemy) ignore them, be 더 많이 confident and read inspiring books, engage your self in 음악 (it will give 당신 relieve) and instead of listening sad songs and cry try to listen pop songs and enjoy them. 옮기기 out for a walk when 당신 feel 당신 are loosing your self and enjoy nature.

사진 is a good way to express your feelings to the world. 당신 can write a diary so that there'll be someone whom 당신 can tell everything.

Paper is 더 많이 patient than people and they won't share your secrets 또는 make fun of you. Plus 글쓰기 diary in English will improve your 글쓰기 and speaking skills. 당신 can always use a dictionary.
Don't hurt (physically) your brother back as maybe it could make the situation worse. Because he could attack 더 많이 violently.

And feel free to talk to me anytime 당신 want. I will listen to you. Because I feel strangers can understand your 또는 mine problem better than our close persons.

Be Positive ^_^
Lots of hugs