During his time at Kettering, Ranger was a key player, scoring six goals in 10 games in the Southern League Premier Central this season, and a total of 18 goals in all competitions.
The club's owner, George Akhtar, praised Ranger's commitment to the team and his ability to perform well in important matches.
Akhtar expressed his gratitude for Ranger's contributions, stating, "You will be missed. Big players step up in big games and that's what epitomises Nile Ranger."