On Malta, Paul healed the father of which chief official of the island?

Answer: Publius

Publius welcomed them; his father was sick with fever and dysentery, and Paul prayed, laid hands on him and healed him.

“Nearby stood an estate belonging to Publius, the chief official of the island. He welcomed us and entertained us hospitably for three days. The father of Publius was sick in bed, suffering from fever and dysentery. Paul went in to see him, and after praying and placing his hands on him, he healed the man.”— Acts 28:7-8 (BSB)