lifesaving

/L AY1 F S EY0 V IH0 NG/
adjective
  1. 1

    Preserving life; preventing death.

noun
  1. 1

    The act of saving a life, especially from drowning.

    โ€œIโ€™m normally a big fan of lifesaving, but in his case we can make an exception.โ€

Source: https://en.wiktionary.org/wiki/life-saving, https://en.wiktionary.org/wiki/lifesaving