Well, you can't do anything until you have completed all the other checkpoints on the map and traded everything possible back at Nabooti. The this is what you do;
Feed the turtle the fig( located at Blue Nile Falls
when it moves start digging with the shovel you got from Giza
you will receive an Ebony Elephant
you will awake some native spirits they will tell you to return the Fingo
go back to Nabooti and and trade the Ebony Elephant for an ancient protective talisman or a Fingo
return it to the spirits and receive the last lost Nabooti jewel
In the Kaya Forests.
The Kaya Forests are a location on the island, one of the spots to find a hidden Nabooti jewel.
There are no blocks in the Kaya Forests. (see related questions)
Take it from the Kaya Forests back to Nabooti, and swap it for the fingo. Bring the fingo back to the Kaya spirits.
At the Kaya Forests, there is a gold nugget on top of a palm tree, next to the second hut. Trade it for a camera at Nabooti. Use the camera to complete the Safari.
The green jewel is at the Kaya Forest. (see the related question)
After you dig up the Ebony Elephant at Kaya Forests, you swap it for the fingo at Nabooti. Return the fingo to the Kaya spirits and you get the Green Jewel.
You get Big Zeke's old helmet if you complete the Safari. To get a camera, get the gold nugget above the second hut at Kaya Forests, and buy a camera at Nabooti.
The Ebony ElephantAfter you dig up the elephant on Kaya Forests, you take it to Nabooti and trade with the lady on the left, who deals in relics and artifacts. She will give you the "fingo", which you can take back to the Kaya Forests and give to the Kaya spirits. They will give you the green jewel.
The cactus fig (Opuntia fruit) is on the left side of the trail at the Mountains of the Moon. You need it to lure the tortoise at the Kaya Forests.
go to kaya forests, then feed it to the turtle.
You have to get the gold nugget to buy it at Nabooti. The nugget is in a palm tree by the second hut in the Kaya Forests.