While, &c. = Having beheld. App-133.
chaste. Greek. hagnos. See 2 Corinthians 7:11.
coupled with. in. App-104.
fear. Here used in the sense of reverence. Compare Ephesians 5:33, where the verb is used.
Related Commentaries of 1 Peter 3:2
1 Peter 3:2
2 While they behold your chaste conversation coupled with fear.