handler

Meaning

Noun

• One who handles something (especially manually) or someone.
• A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter).
• An advisor or manager to a person occupying a position or office to which the speaker believes the holder does not possess the typical qualifications and/or experience.
• A subroutine that handles a particular situation such as an event or exception.

Related

Narrower meaning words

• event handler
• exception handler

Origin

• From Middle English handler, handiller, equivalent to handle + -er.