At Paphos on Cyprus, which proconsul summoned Barnabas and Saul to hear the word of God?

Answer: Sergius Paulus

The proconsul Sergius Paulus, a man of intelligence, sent for Barnabas and Saul; he believed after the sorcerer Elymas was struck blind.

“an attendant of the proconsul, Sergius Paulus. The proconsul, a man of intelligence, summoned Barnabas and Saul because he wanted to hear the word of God.”— Acts 13:7 (BSB)