What are the conditions for sincere repentance from adultery for an unchaste person, and is there an injustice owed to the woman's husband, and how is it to be rectified? Will this sin be reflected upon his family or wife in the future, despite Allah's saying: "Except for those who repent, believe, and do righteous deeds - for them Allah will change their evil deeds into good ones," and what is the righteous deed mentioned? Is it obligatory to cut ties with him?

Allah has opened the door of repentance for sinners. Repentance from a grave sin like zina (unlawful sexual intercourse) involves abandoning it, resolving never to return to it, and regretting it, along with increasing good deeds. Sincere repentance erases sins and transforms evil deeds into good deeds. It is not a prerequisite for the completeness of repentance to seek forgiveness from the husband of the woman with whom one committed zina, due to the greater harm that might result from such an action. Whoever repents sincerely will not be held accountable for their sin. As for the dissolute friend, if he repents, there is no harm in associating with him; otherwise, each case has its own ruling.