altruism
noun
                                                                                                                            
                                                            al·tru·ism
                    
                                                                                                              
                                                                                                                                  ˈal-trü-ˌi-zəm 
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : unselfish regard for or devotion to the welfare of others                                      
              
                             
charitable acts motivated purely by altruism
                         
                
                    2
                    
                                          
              
          
                                                      : behavior by an animal that is not beneficial to or may be harmful to itself but that benefits others of its species                                      
                
                    
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  Merriam-Webster unabridged




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