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).
Words nearby helper
helotry,
help,
help oneself,
help out,
help screens,
helper,
helper cell,
helper t cell,
helper t-cell,
helper virus,
helpful