1)
Why is Yo'av called "Avi Gei Charashim"?
1.
'Rashi': He was the officer of the valley in which carpenters dwelled.
2.
Radak: The people of that valley descended from him. Charashim are craftsmen who work with stone, wood and iron.
2)
In Nechemyah (11:35), Gei Charashim is considered part of Binyamin!
1.
Malbim: In his days, people of Binyamin dwelled there.
