GM
From World of Dread Database
The term GM is an acronym for both Game Master and Grand Master.
Game Master
A Game Master is someone who manages the server and is responsible for:
- Enforcing the rules.
- Jailing players that break the rules.
- Creating new areas and monsters.
- Creating quests.
- Managing events.
- Assisting players.
Grand Master
A player achieves Grand Master status when they reach the maximum potential score in a particular skill, typically 100.0.