salva-, salv-

(Latin: save; safe)

savior (s) (noun), saviors (pl)
1. A person who rescues, or delivers other people or things from peril or destruction: "There are many saviors who devote their lives to helping other people who are in need."
3. In the Christian religion, another word for Jesus Christ: "Many dedicated Christians pray to their Savior, Jesus Christ; not only because He saved their eternal lives, but because He is protecting them in this present existence."
vouchsafe (verb), vouchsafes; vouchsafed; vouchsafing
1. To promise, to give, or to allow something to take place: The supervisor, where Jim was working, vouchsafed that the contract, which he was negotiating, would cost the customers very little.
2. To grant or to give, as by favor, graciousness, or condescension: Shirley decided to vouchsafe a request that was made by her son when he asked if he could go to an afternoon movie.
3. Etymology: from Middle English; "from vouchen sauf, "to vouch or to claim as safe"; from vouchen, "allege, affirm" + sauf, "safe". The one-word form is first recorded in Middle English as fouchesaf in about 1330.
The Barnhart Dictionary of Etymology;
Robert K. Barnhart, Editor; The H.W. Wilson Company; 1988; page 1212.