Meaning1. A friend or someone you are close with.
2. Another person, like your neighbor or fellow human being.
HistoryThis word is very old and appears many times in the Bible. It is famous from the rule "Love your neighbor as yourself". The root of this word also means to take care of sheep, so some people think a "rea" was someone you spent a lot of time with, like a shepherd.
Exampleואהבת לרעך כמוך.
You should love your neighbor as you love yourself.