Which prophet from Jerusalem stood up in Antioch and predicted a great famine?

Answer: Agabus

Agabus predicted through the Spirit that a great famine would sweep the whole world; it happened under Claudius.

“In those days some prophets came down from Jerusalem to Antioch. One of them named Agabus stood up and predicted through the Spirit that a great famine would sweep across the whole world. (This happened under Claudius.)”— Acts 11:27-28 (BSB)