[1]. I.e., compensate for their loss.
[2]. U.e., do not stop them from joining the disbelievers.
[3] . If a disbelieving wife opted to join the disbelievers, a Muslim husband could demand in return the equivalent of her dowries. Similarly, the disbelievers had a similar right if a believing woman joined the Muslims. This and the following verses were revealed after the Treaty of al-Hudaybiyyah.