And it shall be, if you do not desire her, then you shall send her away for herself; you shall not sell her for money; you shall not treat her as a slave, because you have afflicted her.
English: “You shall not treat her as a slave” — you shall not make use of her (as a servant).
On the daf / in context: Once the soldier decides he no longer wants her as a wife he may not keep her in the household as a maidservant. The reason is “because you have afflicted her”: having already taken her under the concession of desire, he may not continue to exploit her.
Type of Learning
Derash on the verse (Sifrei) — the force of “lo sis’amer bah.”
What Is Learned
If the soldier no longer desires the former captive as a wife he may not retain her as a servant; he must release her completely free.