Question: Which revolutionary leader was surrendered to authorities by his own supporters in the capital city of Carthage after his defeat by the governor of Mauretania?
Sentence (from "Carthage"): Carthage ( , from ; Phoenician: 𐤒𐤓𐤕𐤇𐤃𐤔𐤕  "Qart-ḥadašt"  "New City" ) was the centre or capital city of the ancient <a href="Ancient%20Carthage">Carthaginian civilization</a>, on the eastern side of the <a href="Lake%20of%20Tunis">Lake of Tunis</a> in what is now the <a href="Tunis%20Governorate">Tunis Governorate</a> in <a href="Tunisia">Tunisia
Relevant evidence: Yes