BluePhantom
Educator (of liberals)
Those guys were not united. They were independent businessmen operating independent booths in the Temple. The guild system didn't come into being until the Middle Ages. Jeez. No Mensa membership for you
I am no expert on this, but it seems they were functioning as a central bank.
Money Changers
The Temple was, not the people themselves. They were independent businessmen in competition with everyone else