| reciprocal altruism(noun, expression, form, quality, type) |
| charity(noun, quality, generosity, benevolence, philanthropy) |
| charitable(adjective, quality, generosity, benevolence, charity) |
| biological altruism(noun, expression, form, type, kind) |
| being altruism(noun, expression, form, type, kind) |
| benevolence(noun, quality, generosity, charity, philanthropy) |
| benevolent(adjective, quality, generosity, benevolence, charity) |
| group-based altruism(noun, expression, form, type, kind) |
| group altruism(noun, expression, form, type, kind) |
| human species altruism(noun, expression, form, type, kind) |
| interaction-based altruism(noun, expression, form, type, kind) |
| kin altruism(noun, expression, form, type, kind) |
| life altruism(noun, expression, form, type, kind) |
| nepotistic altruism(noun, expression, form, type, kind) |
| overall altruism(noun, expression, form, type, kind) |
| sentience altruism(noun, expression, form, type, kind) |
| mutualism(noun, form, type, kind, species) |
| self-interest(noun, form, type, kind, species) |
| selfless(adjective, quality, generosity, benevolence, charity) |
| good person(expression, generosity, benevolence, philanthropy) |