既き得とく権けん益えき

noun

vested interests

Refers to rights or benefits already acquired, often used in political, economic, or social contexts to describe entrenched privileges.

• 改かい革かくは既き得とく権けん益えきを持もつ人ひと々びとの反はん対たいにあった。

  The reform faced opposition from those with vested interests.