This size of container vessel are usually referred to as 'feeder ships', as they do 'what it says on the tin', feed the containers into and out of the big container ports for the 'monsters' to move across the oceans.
I'm sure the American transport company owner who 'invented' the container never, in a million years, envisaged what a fundamental change it would have on world shipping.
Many years ago, when i was on Vistafjord, we had a young Danish 1st Officer who joined us direct from Mersk where he had previously been working on their feeder ship fleet in central America. He would often recall the differences in the two lifestyles, from a merchant ship with 14 crew who all spoke, [and] only, Spanish, which he did not! But he did very quickly learn to speak a version of Spanish and certainly enough to make his instructions known. He was Ch Officer on there and was responsible for loading and unloading the containers, as well as standing watches when at sea, from this you'll note that he was 'slightly' busy!!!
He would tell us, over dinner, how meals were taken alone and in a small windowless room. Being such a small crew they had no chef but ate pre-cooked meals that you selected from a fridge and heated up in a microwave, then ate by yourself. The only other person you saw, apart from days in port, was the officer who you either took over your watch from or handed over to!!!
He then came from this to a cruise ship with 25 Scandinavian Stewardess, plus female waiters and bar staff! He thought he'd died and gone to heaven!!! He certainly made up for lost time!!
A very nice and professional seaman who went on to achieve a very high prestige command within the private yacht world.
We had a saying on QE2 that, because of her draught she often had to berth in containers ports, especially when on World Cruises, "We would see less container ports if we worked for Evergreen"!
Anybody do a WC on QE2 and was on for the calls into Singapore? Now that is some container port!!!