1 Peter 4:6

for to this end was the gospel preach'd to those, who are now dead, that after having suffer'd the loss of this frail life from men, they might enjoy an immortal life with God.

1 Peter 3:19

by which he went with guardian spirits to preach to

John 5:25-26

I declare unto you, the time is coming, and now is, when the dead shall hear the voice of the son of God: and they that hear shall live.

Romans 8:2

for the christian dispensation of a spiritual life has set me free from the legal state of sin and death.

Romans 8:9-11

you are not in such a state, but in a spiritual one, provided the divine spirit dwell in you. now if any man have not the spirit of Christ, he is none of his.

1 Corinthians 11:31-32

for if we made such a discrimination, we should not be punished.

Galatians 2:19

for by one law, I am dead to the other law, that I might live unto God:

Galatians 5:25

if we live by the spirit, let us regulate our actions by the spirit:

Ephesians 2:3-5

of which number we all have formerly been, leading our dissolute lives in gratifying the desires of our sensual imaginations: and were indeed obnoxious to the divine displeasure, as other. Gentiles were:

Titus 3:3-7

for even we ourselves were once inconsiderate, disobedient, deluded, addicted to variety of passions and pleasures, living in malice and envy, the deserving objects of mutual hatred.

1 Peter 4:1-2

Since then Christ has with respect to his mortal nature died for us, arm yourselves with this reflection, that he, who is dead with respect to sensuality, has renounced sin;

Revelation 14:18

he also having a sharp sickle. and another angel came out from the altar, who presided over the fire; and cried with a loud cry to him that had the sharp sickle, "stretch out thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are full ripe."

Matthew 24:9

then shall they deliver you up to torments, and to death: and ye shall be hated by all nations upon my account.

Treasury of Scripture Knowledge

Summary

For for this cause was the gospel preached also to them that are dead, that they might be judged according to men in the flesh, but live according to God in the spirit.

Bible References

To them

1 Peter 3:19
by which he went with guardian spirits to preach to
John 5:25
I declare unto you, the time is coming, and now is, when the dead shall hear the voice of the son of God: and they that hear shall live.

But

Romans 8:2
for the christian dispensation of a spiritual life has set me free from the legal state of sin and death.
Galatians 2:19
for by one law, I am dead to the other law, that I might live unto God:
Galatians 5:25
if we live by the spirit, let us regulate our actions by the spirit:
Ephesians 2:3
of which number we all have formerly been, leading our dissolute lives in gratifying the desires of our sensual imaginations: and were indeed obnoxious to the divine displeasure, as other. Gentiles were:
Titus 3:3
for even we ourselves were once inconsiderate, disobedient, deluded, addicted to variety of passions and pleasures, living in malice and envy, the deserving objects of mutual hatred.
Revelation 14:18
he also having a sharp sickle. and another angel came out from the altar, who presided over the fire; and cried with a loud cry to him that had the sharp sickle, "stretch out thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are full ripe."