handle
The French word 'manipuler' is used in a similar way to the English word 'handle'. It can refer to physically handling or manipulating an object with one's hands, as well as metaphorically handling or dealing with a situation or person. However, it can also have a negative connotation, implying deceit or manipulation.
It is important to know how to properly handle tools.
This sentence is conveying the importance of skillful usage of tools which involves correct handling or manipulation, thus using the word 'manipuler'.
You should learn to control your feelings.
In this phrase, 'manipuler' is used in the context of managing or controlling one's emotions or feelings, indicating mastery over emotional reactions.
The puppeteer can manipulate several puppets at once.
Here, 'manipuler' signifies the physical control or movement the puppeteer has over the puppets, showing their capability of handling multiple puppets simultaneously.