Manipulator

(noun.) a person who handles things manually.

手打:奥齐

• The rich men of the world before this time had been great landowners or money-lenders and money manipulators or merchants. 赫伯特·乔治·威尔斯. 世界史纲.
• But in the days of the Civil War there was a great dearth of skilful manipulators of the key. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

整理:奥拉