Banishment in the Torah

So He drove out the man; and He placed at the east of the garden of Eden the cherubim, and the flaming sword which turned every way, to keep the way to the tree of life.

(Adam and Eve expelled from the Garden of Eden for eating the forbidden apple.)

(No longer able to communicate and resolve conflicts, people scatter themselves after the failed Tower of Babel project.)

(Abraham and his brother Lot decide to separate their households to avoid conflicts over land and property.)

And the uncircumcised male who is not circumcised in the flesh of his foreskin, that soul shall be cut off from his people; he hath broken My covenant.'

(The LORD talks to Abraham just before telling him that Sarah will bear Isaac, proclaiming that uncircumcised males shall be "cut off".)

And Abraham arose up early in the morning, and took bread and a bottle of water, and gave it unto Hagar, putting it on her shoulder, and the child, and sent her away; and she departed, and strayed in the wilderness of Beer-sheba.

(The LORD speaks to Moses and Aaron just before the Exodus from the land of Egypt, proclaiming that anyone who eats leavened bread during a certain period of time will be "cut off".)

And the LORD said unto Moses: 'Write this for a memorial in the book, and rehearse it in the ears of Joshua: for I will utterly blot out the remembrance of Amalek from under heaven.'

(Short time after the LORD commands the Israelites to anoint Aaron and his sons as priests.

Ye shall keep the sabbath therefore, for it is holy unto you; every one that profaneth it shall surely be put to death; for whosoever doeth any work therein, that soul shall be cut off from among his people.

(Moses begs the LORD to forgive the Israelites for the Sin of the Golden Calf, or to otherwise, "blot out" him as well.)

and hath not brought it unto the door of the tent of meeting, to present it as an offering unto the LORD before the tabernacle of the LORD, blood shall be imputed unto that man; he hath shed blood; and that man shall be cut off from among his people.

and bringeth it not unto the door of the tent of meeting, to sacrifice it unto the LORD, even that man shall be cut off from his people.

But every one that eateth it shall bear his iniquity, because he hath profaned the holy thing of the LORD; and that soul shall be cut off from his people.

I also will set My face against that man, and will cut him off from among his people, because he hath given of his seed unto Molech, to defile My sanctuary, and to profane My holy name.

(Proclamation to expel the Israelites from the land if they fail to adhere to the ideology of the book of Leviticus.