You can offer your specialist skills to other apprentices by being listed as a Technical Tutor.

A Technical Tutor is an Apprentice who offers tutorials on a specific topic.
You can offer such tutorials by listing your areas of expertise in your Main Profile
You can find a list of existing technical tutors and their specialist areas here

Technical tutorials, either received or given, are not listed in your formal record of Diploma Tutorials. This is because they are not given by PA-accredited tutors. Technical tutorials are intended to -

encourage the practice of giving tutorials
make use of the expertise in the apprentice community
encourage community sharing