stew‧ard‧ship /ˈstjuːədʃɪp $ ˈstuːərd-/
noun [uncountable] someone’s stewardship of something is the way that they control or protect it
stewardship of
Some critics have doubts about his stewardship of the nation.under sb’s stewardship The farm was quite a different place under Mom’s stewardship. [TahlilGaran] Dictionary of Contemporary English ▲