In Dr. Khalifa's personal opinion, the Quran, in its teaching on adoption, advocates keeping our original names, and Islam is not for people who change names.1, 2, 3, 4
When adopted children take the adoptive father's name, a person could theoretically marry his own sister without knowing it.1, 2
Adopted children are members of the family; they keep their original names, but if the original name cannot be found they may take the adoptive family name.1, 2
Charity goes to the parents, the relatives, the orphans, the poor, and the alien, and God is fully aware of any righteous work.1, 2
Adopted children are not genetic children and their lineage must be preserved; the name on one's birth certificate is the name God gave.1, 2, 3
If an adopted child's father is known, the child takes the father's name; if not, you may give the child your name and treat them as family.1, 2, 3
Zakat goes to people you personally know are in need, in the Quran's order: parents, then relatives, then orphans, then any poor person, then traveling aliens.1, 2, 3, 4
Zakat goes to people you know personally, in the order of parents, relatives, orphans, and the needy.1, 2