deteriorator

/dɪˈtɪərɪəreɪtə/
something or someone that causes something to become worse or to decay.

noun [专属名词]堕落者

"The deteriorator" could refer to a person who is actively causing a decline in the quality of a project or organization.
“劣化者”这个词可以指那种有意促使某个项目或组织的质量出现下降的人。

单词造句: