'Preserve' in the Bible

For whoever wishes to save his life [in this world] will [eventually] lose it [through death], but whoever loses his life [in this world] for My sake, he is the one who will save it [from the consequences of sin and separation from God].

Whoever seeks to save his life will [eventually] lose it [through death], and whoever loses his life [in this world] will keep it [from the consequences of sin and separation from God].