🔼The name Gederathite in the Bible
There's only one Gederathite mentioned in the Bible and that's David's mighty-man Jozabad the Gederathite (1 Chronicles 12:4). This man probably came from Gederoth, or else from Gederothaim or Gedor (or perhaps even from an ancestor named Geder, or something like that).
🔼Etymology of the name Gederathite
The ethnonym Gederathite ultimately derives from the noun גדרה (gedera) or גדרת (gederet), meaning wall:
A Hebrew ethnonym is an adjective, and the name Gederathite, meaning Someone From Gederoth, also means Wally or by implication: Obstructer.