The term altruism may also refer to an ethical doctrine that claims that individuals are morally obliged to benefit others.
ðə tˈɜːm ˈɔːltɹuːˌɪzəm mˈeɪ ˈɔːlsoʊ ɹᵻfˈɜː tʊ ɐn ˈɛθɪkəl dˈɑːktɹɪn ðæt klˈeɪmz ðæt ˌɪndᵻvˈɪdʒuːəlz ɑːɹ mˈɔːɹəli əblˈaɪdʒd tə bˈɛnɪfˌɪt ˈʌðɚz.