So I believe you can jump in with him, log three circuits as PIC, while your friend does the take-offs and landings, then you switch command and he logs the time from then on, having gained his experience.
Art 255
‘Passenger’ means a person other than a member of the crew;
The minute you swap roles in a Single crew aeroplane, you become a passenger, and the other pilot must have 90 day currency. If one of the pilots is an instructor then you can both legally be crew and neither need to be 90 day current.