Depends what kind of identity you share. They may be your racial group (shared physical appearance, usually), your ethnic group (shared cultural background and religion, usually), or people of your nationality (from the same country as you). In Psychology, people of your same approximate age and cultural situation are called your "cohort," and people who are in your same educational or professional group are called your "peers." I hope one of these is what you're looking for!
Ethnic groups share a common culture, including language, traditions, beliefs, and customs. This sense of identity is often passed down through generations and helps to create a sense of belonging and community among group members.
A community of people who share a common culture is called an ethnic community. It is characterized by individuals who have common traditions, beliefs, language, and practices that set them apart from other groups.
Ethnic groups typically share a common culture, including language, customs, traditions, and symbols, which help to define their collective identity. They also often share a common ancestry or heritage, which may be based on shared historical, geographic, or genetic ties.
Groups of similar organisms within a species are called populations. Populations consist of individuals of the same species that can interbreed and share a common geographical location.
Most ethnic groups share a common culture which is their main connection point. Each of the native ethnic groups had their unique culture which they shared and some cut across the board to other ethnic groups.
....Grouping.
The word that describes a group of people who share a common culture, language, and history is "ethnic group." Ethnic groups are often characterized by shared traditions, values, and social practices, which contribute to their unique identity within a larger society.
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They share a common culture.
Lines that share a common point are called an intersection, or intersecting lines.