The followers of earth worship the elemental force of Earth.

Earth is a True neutral force.
Priests are usually Clerics; many are multiclass Cleric/wizard/Sorceror/DragonDiciple.
Followers can be of any alignment.

Cleric domains: Earth, Animal, Death, Destruction, Good, Knowledge, Magic, Plant, Protection, Strength, Travel, Trickery, War, Sun
Forbidden Domain: Air