This time he would watch, do nothing, learn the rules and customs.

All the while he is learning the language and customs of the land.

Just about everyone in town is trying to learn Soviet customs.

While building the international school they stay with indigenous families and learn local customs.

She has made no attempt to learn the language or customs.

It is a significant "memorandum book" to learn local practices and customs.

"I learned a lot of strange languages, and exotic customs."

We learned your language and customs to the extent they are known in our Mode.

He quickly earned the respect of these tribes by learning their languages and customs.

The second point I want to make is that you are right; the boy does indeed have to learn human customs.