What are the conditions under which democracies accommodate social diversities?

Almost every country in the world has social diversities in respect to caste, race, religion, language, etc. Democracy is considered to be the most suitable form of government to accommodate these diversities. It aims at giving equal rights and opportunities to all the citizens.
Democracy is not simply rule by majority opinion. The majority always needs to work for minority. Democracy does not believe in any kind of discrimination among citizens on grounds of caste, religion, colour, sex, race, etc. It accommodates alLsocial diversities.

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