Seamen enjoy life on the sea and often travel to places that others only dream about during their normal work hours. These jobs might come with some risks, but that is an occupational hazard.
A small mistake by a truck driver can put innocent people in the hospital. If the driver does not see that traffic has stopped in the road, for instance, that semitruck can plow through multiple vehicles before it stops. Distractions are dangerous for all drivers but especially for commercial drivers.
There are few things worse than getting sick on a cruise ship. You may be far from any port, stranded in the middle of the sea. You have nothing but a small room and the onboard doctor to help you. When it turns out that you have serious food poisoning, you feel like it's ruined your entire vacation. If you have food allergies as well, you may even be in danger.