schemer
🇺🇸
/ˈskiːmər/
🇬🇧
/ˈskiːmə(r)/
someone who makes sneaky plans to get what they want
The new employee was wary of the office schemer who was always plotting to climb the corporate ladder.
新员工对办公室里总是密谋攀升公司阶梯的阴谋家保持警惕。