And there stood up one of them named Agabus, and signified by the Spirit that there should be a great famine over all the world: which came to pass in the days of Claudius.

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.)

and one of them, by name Agabus, having stood up, did signify through the Spirit a great dearth is about to be throughout all the world--which also came to pass in the time of Claudius Caesar--

and one from among them, by name Agabus, rose up and signified by the Spirit that there was going to be a great famine over all the inhabited earth, which also came to pass under Claudius.