I want to tell the person I like that I like them but I'm extremely afraid of being rejected. What should I do?

This is a advice column. If any of you need advice I'm your person to come too. Any problems you have at school I can help. Friend issues, relationship problems, if you just need someone to talk to I'm here. People always come to me for advice and I'll do my best to answer your questions. So feel free to ask me anything. I also may ask some of you for advice also so be prepared to answer. Also if...