Hi there,
It sounds like you were in the same position I was in when I was your age. Maybe we can connect very easily. Feel free to PM or email me, I will try my best to support you. Even though I'm no longer 14, I was there. I have depression co-existing with a lot of other problems. Don't worry, you're not alone.
There are times where you feel so sad and down that you start to think what's life all about? but try to refocus on a positive topic. It's ok to feel about death sometimes. But if that's becoming too prevalent and you start to come up with plans or gestures. You need to go to the nearest hospital to stay safe. I realli want you to know that a lot of people care about you.
I was the same way. I didn't think anyone cared. I didn't let my parents know until I landed in the hospital with a suicide attempt. But please, don't try to harm yourself. It realli isn't worth it. You will get better. You will grow stronger. With the proper counselling and therapeutic regime, you will get better.
Trust me. My Friend. I really know how you feel. Please don't give you even if it seems like you're stuck in a dark, deep hole.
I want you to get better. I want you to get stronger and be the person you want to be.
Best of luck. Hope you feel better soon.