# when he will judge the world in righteousness by the man he has chosen

"when the man he has chosen will judge the world in righteousness"

# he will judge the world

Here "world" refers to the people. Alternate translation: "he will judge all people" (See: [[rc://en/ta/man/translate/figs-metonymy]])

# in righteousness

"justly" or "fairly"

# God has given proof of this man

"God has demonstrated his choice of this man"

# from the dead

From among all those who have died. This expression describes all dead people together in the underworld. To come back from among them speaks of becoming alive again.