Strong’s Dictionary of Greek Words:
Meaning:
from 1093; a neighbour (as adjoining one's ground); by implication, a friend
From Manners and Customs of the Bible:
Luke 10:29. He, willing to Justify himself, said unto Jesus, And who is my neighbor?
The Jews gave a very narrow definition of the word “neighbor.” The robbing interpreted it to mean only those who were of the Jewish people. The Gentiles were not considered neighbors.