The answer for this question is: Fictive kinship
In sociology, fictive kinship refers to the social ties that is formed to the point where two persons acknowledge each other as a brother/sister even though they do not possess any form of blood relations.
Usually, people form this kind of ties after experiencing hardship together.
Frank admits that he left the secondary grade to work and tells how he overcome the underprivileged background in "the education of Frank Mccourt" because he feels it may help some of his students who are in similar <span>positions. He think that this experience may help his students who are in similar position like him.</span>
Osama bin laden would be considered a A Pashtun leader
