Natural

n.
  1. A native; an aboriginal.
  2. One born without the usual powers of reason or understanding; an idiot.
  3. (Mus.) A character [♮] used to contradict, or to remove the effect of, a sharp or flat which has preceded it, and to restore the unaltered note.
  4. A person who has an innate talent that makes success in some specific endeavor, such as sports, much easier than for others; as, Pele was a natural in soccer.