The Lost Wenja
After the village attack you are then instructed to find the other Wenja with special Skills. These are Jayma, Wogah and Karoosh. Their missions act as one big mission to further improve your tribe and yourself by way of unlocking their skill trees. They can be done in ANY order.
On The Hunt
Jayma the hunter is the closest to the camp in the direction of the south east.
Head over to her to her map marker to meet her. She then claims you scared off the bear they were hunting for two days. You then tell them you can do way better. So now you are challenged to hunt the bear.
Enable your hunter vision to find the bear tracks. This part will take the most time in the mission. It may be easy or difficult depending on your luck with random encounters.
After the very linear tracking section, you will eventually find the area the bear is in. You may have run into this feature already if you just went exploring.
The game tells you to turn on your hunter vision and look for the scent of the bear. It is also stated that rare animals exhibit this trait as well, seeming like the ground they walk on is on fire.
After you find the bear, fight and kill it. The fight is relatively easy as long as you are good with your aim. Two spears to the head should end it pretty soon. Arrows to the head are good too but will take more time.
TIP: Another much simpler tactic is to just tame the bear. First, Go into your Beasts menu and dismiss whatever beast is with you so they don't attack the feeding bear. Toss some bait at the bear and tame it. The game will STILL tell you to kill the bear so simply eliminate him from the game by dismissing the bear you just captured. The mission will proceed normally.
When the bear goes down, skin it and head over to the next map location to meet up with Jayma.
She will now join your tribe and teach you her Hunting skill tree and the On The Hunt mission is complete.