Omar is a male given name of Arabic origin.
do you have any friends named Omar?
Yeah ,some Arab folks I know ,its common name in Arab and Muslim populations in general, as well as in Spanish.
Oh I did not know it was a common name in Spain. I had a few friends in school names Omar
Especially named by the Palestinian Arabs. are an ethnonational group comprising the modern descendants of the peoples who have lived in Palestine over the centuries,. 
oh that is interesting. I know there are a few places named Omar too
Disparity in the names could have lead to the .1948 Arab–Israeli War, or the First Arab–Israeli War, was fought between the State of Israel and a military coalition of Arab states ,I suppose .
thats cool. The meaning behind it is apparently "long lived" or tiger of allah
Allah is  the Arabic word for God in Abrahamic religions.
yes that is right. The name omar is also quite popular elsewhere