87 Or “tries to preserve”; Grk “seeks to gain.” If there is no willingness to suffer the world’s rejection at this point, then one will not respond to Jesus (which is trying to keep his life) and then will be subject to this judgment (which is losing it).
88 Whoever loses his life. Suffering and persecution caused by the world, even to death, cannot stop God from saving (Luke 12:4–6).

In other versions

Whoever seeks to preserve his life will lose it, but whoever loses his life will keep it.

Whoever tries to keep their life will lose it, and whoever loses their life will preserve it.

Whoever tries to make his life secure will lose it, and whoever loses his life will preserve it.

If you cling to your life, you will lose it, and if you let your life go, you will save it.

Whoever seeks to preserve his life will lose it, but whoever loses it will keep it.

Whosoever shall seek to save his life shall lose it; and whosoever shall lose his life shall preserve it.

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