To "save from" means to prevent someone or something from harm, loss, or an unwanted result. It often means rescuing or sparing someone from danger, cost, trouble, or embarrassment.
For I had expected always Some brightness to hold in trust, Some final innocence To save from dust. Stephen Spender
‘Is the war coming to Eldacre, my lord?' asked Ramus, as he settled into the chair. 'I fear it is. A more stupid and wasteful business there never was. Fields will not be planted, food will run low, tax revenues will dry up - save from the makers of swords and munitions.' David Gemmell