NET
42 He commanded us to preach to the people and to warn them that he is the one appointed by God as judge of the living and the dead.
Darby
42 And he commanded us to preach to the people, and to testify that *he* it is who was determinately appointed of God [to be] judge of living and dead.
KJV
42 And he commanded us to preach unto the people, and to testify that it is he which was ordained of God [to be] the Judge of quick and dead.