Mark 5:18 (BSB)

As He was getting into the boat, the man who had been possessed by the demons begged to go with Him.

From Mark 5. Also in the ESV.

Commentary on Mark 5:18

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Mark 5:1-20: We have here an instance of Christ's dispossessing the strong man armed, and disposing of him as he pleased, to make it appear that he was stronger than he. This he did when he was come to the other side, whither he went through a storm; his business there was to rescue this poor creature out of the hands of Satan, and when he had done that, he returned.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Mark 5:18: And When he was come into the ship,.... For at the request of these men, who were unworthy of his presence, and of any favour from him, either by his doctrine, or miracles, he turned back to the sea side again; and as he was about to take ship, he that had been possessed with the devil, prayed him that he might be with him...