Definition: In law, a "subversion" or "ulterior motive" is defined as an act that causes harm to another party without any legitimate purpose. It can be seen as an action taken in order to gain an advantage over someone else, often by means of deception, fraud, coercion, intimidation, or other manipulative tactics. This term is used in various contexts including politics, business, and law, where it refers to actions that are intended to undermine the authority or integrity of another party.