en_tn/jhn/06/51.md

living bread

This means "the bread that causes people to live" (John 6:35).

for the life of the world

Here "the world" is a metonym that represents the lives of all the people in the world. Alternate translation: "that will give life to all the people in the world" (See: rc://en/ta/man/jit/figs-metonymy)