[1] : The Collaborative International Dictionary of English v.0.48

samaritan \samar"itan\, a. l. samaritanus.
   of or pertaining to samaria, in palestine. -- n. a native or
   inhabitant of samaria; also, the language of samaria.
   1913 webster

[2] : WordNet (r) 2.0

samaritan
     n : a person who voluntarily offers help or sympathy in times of
         trouble syn: good samaritan
see also:
good samaritan 

[3] : Moby Thesaurus II by Grady Ward, 1.0

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

Samaritan >> S Words
Samaritan, definition of term: Samaritan
samaritan_pag1.html

Good Samaritan >> G Words
Good Samaritan, definition of term: Good Samaritan
good+samaritan_pag1.html