But the Nethinims dwelt in Ophel: and Ziha and Gispa were over the Nethinims.

Wesley's Notes

11:21 The Nethinims dwelt in Ophel - Which was upon the wall of Jerusalem, because they were to do the servile work of the temple: therefore they were to be posted near it, that they might be ready to attend.

King James Translators' Notes

Ophel: or, the tower

Matthew Henry's Concise Commentary

11:1-36 The distribution of the people. - In all ages, men have preferred their own ease and advantage to the public good. Even the professors of religion too commonly seek their own, and not the things of Christ. Few have had such attachment to holy things and holy places, as to renounce pleasure for their sake. Yet surely, our souls should delight to dwell where holy persons and opportunities of spiritual improvement most abound. If we have not this love to the city of our God, and to every thing that assists our communion with the Saviour, how shall we be willing to depart hence; to be absent from the body, that we may be present with the Lord? To the carnal-minded, the perfect holiness of the New Jerusalem would be still harder to bear than the holiness of God's church on earth. Let us seek first the favour of God, and his glory; let us study to be patient, contented, and useful in our several stations, and wait, with cheerful hope, for admission into the holy city of God.