I support paladins for Goblins. Goblin Priests need someone strong and devoted enough to the holy Light (that shines off the gold coins) to go door to door with the collection plate (Divine Shield) and request (very strongly suggest) donations for (absolute) blessings and forgiveness (also protection, mainly protection.)
Funy thing about Paladins is their faith has to be unfailing and never falter to obtain near similar abilities.(I.E; Tauren) The Light doesn’t have to even truly be the light to grant abilities (I.E: Blood Elves.)
The love and devotion a Goblin has for Gold and the “light that shines off of it” is unmatched and stronger than any zealots introduced so far.