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.)
28. He signified by the Spirit. Luke doth plainly express that the Spirit of God was the author of this prophecy, that we may know that it was not a conjecture taken by the stars, or some other natural causes; again, that Agabus did not play the philosopher after the manner of men, but he uttered that which God had appointed by the secret inspiration of the Spirit.
When our Lord Jesus ascended on high he gave gifts unto men, not only apostles and evangelists, but prophets, who were enabled by the Spirit to foresee and foretel things to come, which not only served for a confirmation of the truth of Christianity (for all that these prophets foretold came to pass, which proved that they were sent of God, Deu 18:22; Jer 28:9)...
Commenting on Acts 11:27-30
Verse 28. Named Agabus. This man is mentioned but in one other place in the New Testament. In , he is mentioned as having foretold that Paul would be delivered into the hands of the Gentiles. It is not expressly said that he was a Christian, but the connexion seems to imply that he was. And signified. See .