There are times where I feel lost in life, and this is one.
What do you mean by this, why do you think you're lost in life?
I'm unable to find hobbies and I feel as if everyone around me has a purpose.
I can see you're frustrated, and it's alright to feel lost sometimes. You should try talking with your friends and family though, and perhaps a therapist, so that you find some pleasurable activities. Otherwise you might be stuck in the depression forever.
Yeah, who are you to say that you know what I should do with my life.
I don't know what I should do, but I do know that it is fine to feel lost in life sometimes and that you should seek therapy if you find it hard enough to find your way again. There are just so many ways to fix your life if you feel lost.