'Need' in the Bible

And the children of Israel said to them, It would have been better for the Lord to have put us to death in the land of Egypt, where we were seated by the flesh-pots and had bread enough for our needs; for you have taken us out to this waste of sand, to put all this people to death through need of food.

This is what the Lord has said, Let every man take up as much as he has need of; at the rate of one omer for every person, let every man take as much as is needed for his family.

And they took it up morning by morning, every man as he had need: and when the sun was high it was gone.

And the people were in great need of water; and they made an outcry against Moses, and said, Why have you taken us out of Egypt to send death on us and our children and our cattle through need of water?