'Betrothed' in the Bible

If she please not her master, who hath betrothed her to himself, then shall he let her be redeemed: to sell her unto a strange nation he shall have no power, seeing he hath dealt deceitfully with her.

And if he have betrothed her unto his son, he shall deal with her after the manner of daughters.

And if a man entice a maid that is not betrothed, and lie with her, he shall surely endow her to be his wife.