Question: If someone has committed sins such as slandering, then what should he/she do?
Answer: If someone has made the mistake of accusing someone of fornication, sodomy, misusing their eyes, theft, lying, breaking promises, black magic etc. on the basis of suspicion, guesses, or hearsay, then they must repent to Allah عَزَّوَجَلَّ. They must also make it clear to the people in whose presence they had slandered others that they had made a mistake and have now repented so that the poor person who was disgraced without valid Islamic evidence can regain their honour in the eyes of those people. If the accused is also aware of these slanders, then the sinner must also remorsefully apologise to them and please them.
مَـعَـاذَ الـلّٰـه عَزَّوَجَلَّ, I am not encouraging fornicators (and pederasts etc). In fact, they must also fulfil all the requirements of repentance or else in this world and the afterlife there is a stricter punishment for them than for a ‘Qāżif’ (someone who accuses another of fornication). These sinners, in fact every sinner, must repent to Allah عَزَّوَجَلَّ. In case of violating the rights of other people, one must also fulfil the requirements of seeking pardon from them or else he will be worthy of Hell.
Ker lay taubaĥ Rab kī raḥmat ĥay bařī
Qabr mayn warnaĥ sazā ĥogī kařī
Repent, the mercy of your Lord is immense
Otherwise the torment in your grave will be intense
Question: What if you see someone crying during a supplication or Ijtimā’-e-Żikr-o-Na’at and think to yourself ‘he’s showing off in front of people’?