Here is a list of the most popular actions of my villagers:

Adults:
Laundry
Drinking well water
Trying to push the boulder
Nothing
Going Swimming
Swimming
Eating
Exercising
Relaxing
Thinking

Children:
Nature is calling!
Chasing butterflies
Dancing
Going to Village Center
Curious about the cactus
Curious about the ruins
Curious about the rock

Villager specific actions:
Fixing Hut - Azizi of the 2nd generation loves to fix huts!
Teaching - Kasa has the word "teaching" in the action and then she walks up to the ladies at maternality ward. She stands there with the word "teaching". Then she walks back to the research table.