Which theorist focused on how cultural values serve to unite people?

The answer is "Emile Durkheim".

Fundamentally, Durkheim's work was about culture, and all things considered, it remains profoundly significant and essential to how sociologists ponder culture today. We attract on his commitments to enable comprehend what holds us together, and furthermore, and essentially, to enable us to comprehend the things that separation us, and how we bargain (or don't bargain) with those divisions.

Emile Durkheim was a theorist that focused on how cultural values serve to unite people.