The damn tldr bot always misses the important part…

He tried to push past two crew members on the ramp who stopped him and manhandled him onto the quay.

When the man once again stepped onto the ramp, one crew member stopped him and pushed him off as the ferry was departing, with the man vanishing into the growing gap between the vessel and the quay.

Edit: The video

Video title says he had no ticket but he had one as confirmed by the minister. He had been on the ship before but ran off for a moment for unknown reasons and came back just as it was leaving.