schemer /ˈskiːmə/

• 1. 

  N-COUNT If you refer to someone as a schemer, you mean that they make secret plans in order to get some benefit for themselves. 阴谋家 [表不满]

  例：

  ...office schemers who think of nothing but their own advancement.

  ...除了自己的晋升什么也不想的办公室阴谋家们。