Different cultures have different standards of sexual morality. These different cultural standards may make translating this passage difficult. Translators must also be aware of cultural taboos. These are topics considered improper to discuss.
In the early church, people apparently wondered what would happen if a believer died before Christ returned. They may have worried whether those dying before Christ returned would be part of the kingdom of God. Paul answers that concern.
This passage refers to a time when Jesus calls to himself those who have believed in him. Scholars differ on whether or not this refers to Christ's final glorious return. (See: [[rc://en/tw/dict/bible/kt/believe]])