'Loses' in the Bible

"You are the salt of the earth. But if salt loses its flavor, how can it be made salty again? It is no longer good for anything except to be thrown out and trampled on by people.

The one who finds his life will lose it, and the one who loses his life because of me will find it."

For whoever wants to save his life will lose it, but whoever loses his life because of Me will find it.

What will it benefit a man if he gains the whole world yet loses his life? Or what will a man give in exchange for his life?