9
philanthropist(noun, supporter, sponsor, helper, backer)
9
benefactor(noun, courage, fortitude, bravery, helper)
8
humanitarian(noun, person, courage, fortitude, bravery)
4
donor(noun, supporter, sponsor, backer, humanitarian)
2
Good Samaritan(noun, expression, supporter, helper, backer)
2
do-gooder(noun, helper, humanitarian, patron, idealist)
2
good person
1
Santa Claus(expression, supporter, sponsor, backer, patron)
1
aid(supporter, sponsor, backer, patron, donor)
1
altruistic
1
antiegoist
1
assistant(supporter, sponsor, backer, patron, donor)
1
contributor(noun, supporter, sponsor, backer, humanitarian)
1
helper(noun, supporter, sponsor, backer, humanitarian)
1
mark(supporter, sponsor, backer, patron, donor)
1
patron(noun, supporter, sponsor, helper, backer)
1
selfless person
1
subscriber(supporter, sponsor, backer, patron, donor)
1
subsidizer(supporter, sponsor, backer, patron, donor)
1
unselfish
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11 years ago|1.2k views|share |citing 
APASmart Define. (2015). altruist thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/altruist/thesaurus/synonyms
ChicagoSmart Define. 2015. "altruist thesaurus" https://smartdefine.org/altruist/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, altruist thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/altruist/thesaurus/synonyms>.
MLASmart Define. "altruist thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/altruist/thesaurus/synonyms>