I believe the answer is: uncle
In na Culture, the uncles would act as a direct mentor for the boys as soon as they're mature enough.
The uncles would be the one that thought the boys in things such as hungint<span>, build houses, how to take care of the livestock, how to interact with females, Fishing, etc.</span>
Answer: An obsession is an unwanted, intrusive, and often unpleasant thought that causes an increase in anxiety.
<span>Manifest Destiny was the belief that United States was destined to expand from the Atlantic seaboard to the Pacific Ocean; it has also been used to advocate for or justify other territorial acquisitions</span>