Norwegian Pearl debuted in late 2006.
Cabin information may be found here
. Once you've found your cabin category, you can toggle between the image and floor plan by clicking on the links below the photo.
As far as what to expect in terms of help -- you will find it at times, such as helping to carry a tray, but only if someone happens to be around. If you require more assistance, contact ship services well in advance of your cruise.