helper

[ hel-per ]
/ ˈhɛl pər /

noun

a person or thing that helps or gives assistance, support, etc.
an extra locomotive attached to a train at the front, middle, or rear, especially to provide extra power for climbing a steep grade.Compare doubleheader, pusher(def 5).

Origin of helper

Middle English word dating back to 1250–1300; see origin at help, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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