What kinds of differences may exist between a diverse group of people?

different names
different pets
different ages or cultural backgrounds
different number of siblings

different languages spoken

different religions or belief systems
different educational backgrounds
different personal or career goals
different talents or skills
different physical appearances and abilities
different experiences or life histories
different political beliefs or affiliations
different socioeconomic statuses or income levels
different sexual orientations or gender identities
different perspectives or points of view