Bettie and zahara belong to different cohorts. the only definite difference between these two women is "age".
A cohort refers to a group of individuals who are around a similar age, similar to a cohort of college students who have comparative encounters and concerns.
The word cohort was initially used to depict a military unit in antiquated Rome. You can perceive how this holds hints of the word's inceptions: accomplices are bound together by comparable conditions simply like a gathering of troopers in a military unit. Some dialect idealists demand that the word just portray a gathering, for example, a partner of bookkeepers, yet it can likewise allude to sidekicks or supporters, for example, "Susan and her cohort."