oligarch

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ol·i·garch /ˈɒləɡɑːk $ ˈɑːləɡɑːrk/ noun [countable]  a member of a small group of people who run a country or organization 寡头政治家；寡头统治集团成员 —oligarchic /ˌɒləˈɡɑːkɪk◂ $ ˌɑːləˈɡɑːr-/ adjective

Examples from the Corpus

oligarch• Thanks to Macaulay, he lives in history as the very type of a Whig oligarch.

ol·i·garch nounChineseSyllable  

people of a a Corpus member group of small

oligarch
ol‧i‧garch /ˈɒləɡɑːk, ˈɒlɪɡɑːk $ ˈɑːləɡɑːrk/ noun [countable]
a member of a small group of people who run a country or organization
—oligarchic /ˌɒləˈɡɑːkɪk◂, ˌɒlɪˈɡɑːkɪk◂ $ ˌɑːləˈɡɑːr-/ adjective

oli·garchBrE /ˈɒlɪɡɑːk/ 🔊NAmE /ˈɑːləɡɑːrk/ 🔊 nouna member of an oligarchy 寡头政治家；寡头统治集团成员an extremely rich and powerful person, especially a Russian who became rich in business after the end of the former Soviet Union 大亨（尤指苏联解体后发迹的俄罗斯人）