Source : Webster's Revised Unabridged Dictionary (1913)

Helper \Help"er\, n.
   One who, or that which, helps, aids, assists, or relieves;
   as, a lay helper in a parish.

         Thou art the helper of the fatherless.   --Ps. x. 14.

         Compassion . . . oftentimes a helper of evils. --Dr. H.
                                                  More.

Source : WordNet®

helper
     n 1: 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" [syn: {assistant}, {help}, {supporter}]
     2: a person who helps people or institutions (especially with
        financial help) [syn: {benefactor}]