Such altruism may only extend to ingroup members while directing prejudice and antagonism against outgroup members (see also in-group favoritism).
sˈʌtʃ ˈɔːltɹuːˌɪzəm mˈeɪ ˈoʊnli ɛkstˈɛnd tʊ ˈɪŋɡɹuːp mˈɛmbɚz wˌaɪl dᵻɹˈɛktɪŋ pɹˈɛdʒuːdɪs ænd æntˈæɡənˌɪzəm ɐɡˈɛnst aʊtɡɹˈuːp mˈɛmbɚz sˈiː ˈɔːlsoʊ ɪŋɡɹˈuːp fˈeɪvɚɹᵻtˌɪzəm.