caucuses
n. (政黨決定政策或推舉競選人的)核心成員( caucus的名詞複數 ); 決策幹部; 決策委員會; 秘密會議
A caucus is a group of people within an organization who share similar aims and interests or who have a lot of influence.
...the Black Caucus of minority congressmen.
少數派議員中的黑人集團