1)
What was Iyov's charge?
1.
Malbim: Sometimes a man annuls a Bris with his beloved, for the Bris obligates him to fight an enemy to save him, or redeem him for money from captivity. Why did you annul the Bris of brothers? Did I ask you to give to me money, or to fight for me with your strength?!
2)
What is Kochachem?
1.
Rashi: Your money.
2.
Malbim: Your strength [to fight for me].
