Paraineō (G3867) means to advise, recommend, or urge — used specifically of Paul's shipboard counsel in Acts 27. It combines para (alongside) and aineo (to praise/speak of), suggesting advice from one who stands alongside, not above.
Paul's use of paraineō in Acts 27 is a portrait of wisdom under pressure. In the midst of a catastrophic sea voyage, surrounded by soldiers, sailors, and prisoners, Paul speaks as an advisor: 'I advise you not to sail' (Acts 27:9-10) — and was ignored. Then, after the storm: 'I urge you to take heart' (Acts 27:22). He has no formal authority on that ship — he is a prisoner. Yet his counsel, rooted in divine revelation, becomes the word that saves the voyage. When the angel tells Paul 'do not be afraid' and Paul relays it, he becomes the conduit of heavenly advice to earthly despair. The counselor alongside (para) the sufferer is one of Scripture's most enduring images of Spirit-led ministry.