Who can be considered as pre-emptors under certain conditions?
The overseer of a co-owned waqf in jointly owned real property, if the donor has given him the right to take the share of another co-owner by way of pre-emption for retention, or a person having a reversionary interest in a waqf after the expiration of its period or after the beneficiaries have ceased to have that status, if the waqf is co-owned and part of jointly owned property and the co-owner sells his share.