"I'm a Chinese. "or "I'm Chinese?" which one is correct? My teacher has different idea from my book,and she always has wrong idea.╮(╯_╰)╭I hope you can help me. Thanks for helping.

What's the difference between“take”and“bring”?╮(╯_╰)╭ I don't know how to use these words. what's the difference between “take something home”and“bring something home”?My English teachers have many different opinions.Could you please tell me how to use these words ? Hope you can tell me the answer soon and thank the helpers*^O^*