stewardship
noun
                                                                                                                            
                                                            stew·ard·ship
                    
                                                                                                              
                                                                                                                                  ˈstü-ərd-ˌship  
                                                                                                                              
            ˈstyü-;
                                                                                                                              ˈst(y)u̇rd-
                                                      
                                                          1
                    
                                          
              
          
                                                      : the office, duties, and obligations of a steward                                      
                
                    
2
                    
                                          
              
          
                                                      : the conducting, supervising, or managing of something                                      
                
                                
            especially                
          
                                                      : the careful and responsible management of something entrusted to one's care                                       
              
                             
            stewardship of natural resources    
                         
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  Merriam-Webster unabridged




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