Read 1 Peter 3:20 Using Other Translations
Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water.
because they formerly did not obey, when God's patience waited in the days of Noah, while the ark was being prepared, in which a few, that is, eight persons, were brought safely through water.
those who disobeyed God long ago when God waited patiently while Noah was building his boat. Only eight people were saved from drowning in that terrible flood.