Definition of helper noun from the Oxford Advanced Learner's Dictionary

 

helper

 noun
noun
BrE BrE//ˈhelpə(r)//
 
; NAmE NAmE//ˈhelpər//
 
Helping others
 
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a person who helps somebody to do something a willing helper See related entries: Helping othersExtra examples He became Dad’s little helper. He recruited a band of willing helpers. She’s a regular helper at the youth club. The centre is staffed by voluntary helpers. Wheelchair users will need a helper to negotiate the castle grounds.
See the Oxford Advanced American Dictionary entry: helper