Star Trek: The Next Generation season 7 featured Wesley Crusher (Wil Wheaton) becoming a Traveler, a role that comes with a unique set of powers that were further explained in Star Trek: Prodigy season 2. On Star Trek: TNG, Wesley served as acting Ensign on the USS Enterprise-D for the first four seasons of the show before joining Starfleet Academy and appearing less often in later seasons. After dropping out of the Academy in TNG season 7, Wesley finally found his destiny and joined the Travelers, a mysterious group whose existence had been previously teased.
https://screenrant.com/star-trek-wesley-crusher-traveler-powers-explained/