noun
Refers to a person or thing that destroys, wrecks, or ruins something. Often used figuratively for someone who disrupts plans, relationships, or systems.
彼はプロジェクトの壊し屋だ。
He is a wrecker of projects.
あの選手は相手チームの守備の壊し屋として知られている。
That player is known as a destroyer of the opposing team's defense.