There is no "best first plane" -- there are way too many variables in student capability, financial circumstances & flying environment, for a single aircraft to cover the whole shebang.

There are, however, LOTS of good first planes for lots of different folks.

We need specific information about each prospective student to make meaningfull recommendations.

In the case of your friend, you are already making a choice for him -- small electric -- that may or may not be a good choice.

Tell us more.