“The minute we put our work on a service plane, the alcoholic commences to rely upon our assistance rather than upon God.” (Page 98, Big Book)
The sponsor should do for the sponsee what they cannot do for themselves but not what they can. The sponsor should certainly turn down requests to ‘serve’ the sponsee in this inappropriate way.
Japanese has a slang word for this: 教えて君 (oshietekun): someone who asks others for answers without first researching by himself.