Olmec and Chavin Job Specialization

What were the specific jobs of the Olmec people ? 

The Artisans: They would be the ones who would create the statues used to worship the Gods
The Peasants: They were the ones who were the farmers and other kind of laborers. These peasants would work on what the public needs such as temples and roads. Many would also be the ones used as warriors in war.
The Priest: They would lead the religious ceremonies. Because of this they were seen highly
The Rulers: They would lead the civilization to greatness

What Kind of Jobs Did Chavin Individuals have?

The Artisans would create pottery, make beads, weaving, and some metal works as well. They were essentially the creators of society when in came to material goods. Another job amongst the Chavin was tending to the temples to make sure they were clean whilst also making improvements. "Administrators" would make sure society ran smoothly. Because the Chavin civilization was located in the midst of the mountains, many of them of them also had to become farmers and herders for food.