Who was the group of people who share common customs history origins language?

The group of people who share common customs, history, origins, and language is often referred to as an "ethnic group." Ethnic groups typically have a shared cultural identity, which can include traditions, beliefs, and social practices that connect them to one another. Examples include the Han Chinese, the Maasai in East Africa, and the Irish. These shared characteristics help to foster a sense of belonging and community among members of the group.