good person

from WordNet (r) 3.0 (2006)

good person
    n 1: a person who is good to other people [ant: {bad person}]

from Moby Thesaurus II by Grady Ward, 1.0

18 Moby Thesaurus words for "good person":
      Samaritan, aid, aider, assister, backer, befriender, benefactor,
      benefactress, benefiter, good Samaritan, help, helper,
      helping hand, jack-at-a-pinch, ministering angel, ministrant,
      patron, succorer