Philanthropist

google

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early 17th century: via late Latin from Greek philanthrōpia, from philanthrōpos ‘man-loving’ (see philanthrope).

wiktionary

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philanthropy +‎  -ist; compare French philanthrope. 

etymonline

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philanthropist (n.)

"one activated by a philanthropical spirit, one who endeavors to benefit others by active works of benevolence or beneficence," 1731, from philanthropy + -ist. Related: Philanthropism.