Clue: Ancient city, or a new one adopted by charity (7)
Answer: ANTIOCH
Explanation: Ancient city, or a new one adopted by charity (7)
All i can see is **A** + **N** (new) + I (one) *adopted by* **Toc H** (a Christian "charity) 
*If that is the right parsing, I call foul, as Toc Hseems way too niche to me.