they want the crew to put their hand luggage away for them.
BTW, it is quite normal in some parts of the world for the crew to stow hand luggage for people who struggle with it or just to do it anyway as part of the service culture, so some who have experienced it may expect the same from you.
I found it quite embarrasing when a small asian female CC member insisted on loading my IATA case into the bin for me. Really dented the male ego
