'Betrothed' in the Bible
If a man seduces a virgin not betrothed and lies with her, he shall surely pay a dowry for her to become his wife.
And if a man lies carnally with a woman who is a slave betrothed to a husband and not yet ransomed or given her freedom, they shall be punished [after investigation]; they shall not be put to death, because she was not free;
And what man has betrothed a wife and has not taken her? Let him return to his house, lest he die in the battle and another man take her.
But if a man finds the betrothed maiden in the open country and the man seizes her and lies with her, then only the man who lay with her shall die.
For he came upon her in the open country, and the betrothed girl cried out, but there was no one to save her.
If a man finds a girl who is a virgin, who is not betrothed, and he seizes her and lies with her and they are found,
And David sent messengers to Ish-bosheth, Saul's son, saying, Give me my wife Michal, whom I betrothed for a hundred foreskins of the Philistines.
And I said to her, You shall be [betrothed] to me for many days; you shall not play the harlot and you shall not belong to another man. So will I also be to you [until you have proved your loyalty to me and our marital relations may be resumed].
For I am zealous for you with a godly eagerness and a divine jealousy, for I have betrothed you to one Husband, to present you as a chaste virgin to Christ.