17-year-old Seb Dabrowski has been with the club since he was nine-years-old.
Polish-born Dabrowski stepped up to the Under-18 squad in the 2020-21 season and has featured for the age-side since.
The Carmarthen product scored his first goal at this level in March 2021, in a defeat against Chalton Athletic in the Professional Development League.
Dabrowski was handed several opportunities at Under-21 level last term, scoring his first goal for the upper-age group against Crewe Alexandra, with a last-minute strike.
In November 2022, the youngster signed his first professional contract at the club, securing his future in SA1 through to June 2025.