I am a learner and observer. that's the only way to answer that question since we really don't know who we are, that's why philosophy and science was invented not only for the sake of matters but also for the sake of understanding ourselves and the quest to discover ourselves, i might already dead before i got the answer, but one of the most important thing is we never give up learning, because learning is a way of life, learning is what makes the ideology that the world what we call it "Earth".