HANDLER
handler
Noun
- One who handles something (especially manually) or someone.
- ''The handler of a weapon gets a symbolic sensation of deadly power.
- A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter).
- ''The spy's handler told him to approach the subject by posing as a dog handler.
- A subroutine that handles a particular situation such as an event or exception.
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