Meaning : A person who contributes to the fulfillment of a need or furtherance of an effort or purpose.
My invaluable assistant.
They hired additional help to finish the work.
Meaning : A person who helps people or institutions (especially with financial help).
Synonyms : benefactor
Helper ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Helper ka matlab kya hota hai?