รังควาน

Noun

 * 1)  spirit that guards a wild elephant.
 * 2)  the ghost of a person who died violently, believed to have the power to possess and take over the body of a human.
 * 3)  misfortune, bad luck; ill, evil, woe, vice.

Verb

 * 1) to afflict, to plague, to torment, to vex, to trouble; to harass, to pester, to hound.