Jealous

  1. Hostile toward a rival or one believed to enjoy an advantage.
  2. Intolerant of rivalry or unfaithfulness.
  3. Disposed to suspect rivalry or unfaithfulness.
  4. Vigilant in guarding a possession.

The emotion of Jealousy is found in the Pericardium meridian in the Fire element.

Definition from Dictionary by Merriam-Webster.