camarilla
/ˌkæməˈrɪlə/noun
- a small group of people, especially a group of advisers to a ruler or politician, with a shared, typically nefarious, purpose（尤指有共同邪恶目的, 为统治者或政客服务的）智囊团, 顾问团, 幕僚：
This camarilla alone had the sultan's ear.
苏丹只听取这个幕僚集团的意见。
词源
mid 19th cent.: from Spanish, diminutive of camara 'chamber'.