The Cumbrian club's squad already includes long-serving and versatile Dion Aiye, who made 26 appearances, scoring five tries, this year, when Gorley's men narrowly escaped relegation.
The coach is plotting a push for the play-offs next time around, and has brought in a number of overseas recruits, with speedy back Gebbie the latest.
The 28-year-old, from Sogeri in the mountains of PNG's Central Province and 30 miles northeast of Port Moresby, has represented the Kumuls three times.