Friend – intimate love . . . could be sexual (Proverbs 18.24)
Friend – Relative (Proverbs 7.4)
Friend – Another person (people around you)
Neighbor – Friend or Companion
Neighbor – The guy who live next to you (Proverbs 27)
Stranger – someone estranged in culture (Proverbs 6.1, 11.15, 14.10, 20.16)
Stranger – someone one who is from another country (Proverbs 27.2
Matthew 25.35 stranger
NT brother and neighbor are often the same word.
Friendship is unnecessary, like philosophy, like art... It has no survival value; rather it is one of those things that give value to survival.
The how to and not to interact with Friends/Neighbors/Strangers