self-destroyer

noun

self-de·​stroy·​er ˌself-di-ˈstrȯi(-ə)r 

-dē-

plural self-destroyers

: one who brings about his or her own destruction or ruin

… convinced the screenwriters that they needed to adhere to Petit's self-definition as an "artist" rather than a reckless self-destroyer.

—Jeff Simon

Word History

First Known Use

1645, in the meaning defined above