A belief in a god is likely learned from others.

https://en.wikipedia.org/wiki/Pirah%C3%A3_people#:~:text=According%2520to%2520Everett%252C%2520the%2520Pirah%C3%A3,visible%252C%2520tangible%2520things%2520including%2520people.

According to Everett, the Pirahã have no concept of a supreme spirit or god;[9] however, they do believe in spirits that can sometimes take on the shape of things in the environment. These spirits can be jaguars, trees, or other visible, tangible things including people.[6]: 112, 134–142

A belief in a god is likely learned from others.

https://en.wikipedia.org/wiki/Pirah%C3%A3_people#:~:text=According%2520to%2520Everett%252C%2520the%2520Pirah%C3%A3,visible%252C%2520tangible%2520things%2520including%2520people.