Jean-Jacques Rousseau was thinker.

enlightenment thinker

Explanation:

Jean-Jacques Rousseau was one of the most influential thinkers during the Enlightenment in eighteenth century Europe.

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abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.

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