I Feel Like I Have A Job To Do

My name's Vin and I am 14 years old, turning 15 in 9 days. A little introduction about me, I am really sociable but at the same time, I really like observing people, I really like watching the rain, thunder and lighting, I love animals and plants, and uhm open fields and meadows. I am simply amazed by nature's way of life. I grew up with lots of friends and family relatives who I really care for, but deep inside my heart, I still feel really out of place or I feel like I don't belong with them. I know, it sounds weird but hear me out. Lately, these past few months I lost all desire to have future. I don't know why but I suddenly had a feeling like I had to do something important. I don't what it is, but its embedded in my mind. Like I have some kind of purpose. NO, THIS IS NOT A STAGE. I ask my peers every now and then what they want to have in like, 10 years, and they answer stuff like a "family", "kids", "success", and all that. But now, I can never fore see myself having those things. I just want someone to explain what's happening to me, Do I have some kind of psychological disorder? Or what? I have been wearing a mask since then because I have been trying to hide all my problems, confusions, and questions about these from everyone. I hope you don't judge me and say "he only wants to be unique", "he's trying to make a sci-fi movie outta his life" etc. Because I am not. I have been wanting to feel normal ever since. So yeah, I would just want to ask if there are people out there like me. People who feel like they're supposed to do something important.