substitute
B1Substantiv/US /sˈʌbstətˌuːt/ SŬBST-ət-o͞ot; UK /sˈʌbstətˌuːt/ SŬBST-ət-o͞ot/
One who, or that which, is substituted or put in the place of another; one who acts for another; that which stands in lieu of something else; specifically , a person who enlists for military service in the place of a conscript or drafted man.
