People who care about helping others and making sacrifices for their well-being without expecting anything in return.
Plural of altruist, from French altruiste (1830s), derived from altruisme. The singular form refers to someone who practices altruism as a principle.
Real altruists are so uncommon that psychologists still debate whether true altruism exists—some argue even our kindest acts secretly benefit us emotionally, making pure altruism scientifically impossible to prove.
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