destructionist

noun

1. (derogatory)One who delights in destroying that which is valuable, or whose principles and influence tend to destroy existing social, economic or political institutions.

   “The foreign and literal warfare, meantime, is a thousand times more desirable than the intestine warfare between the Destructionist and the Conservative.”

2. One who believes in the final destruction or complete annihilation of the wicked; an annihilationist, a conditionalist (i.e., a believer in conditional immortality).

   “The great Dr. Watts may be considered, in some measure, a destructionist; since it was his opinion that the children of ungodly parents who die in infancy are annihilated.”

   “The Destructionist and Annihilationist heretics have drawn their doctrines very fairly from the language of the Gospels and Epistles”