Greet people in graveyards with respect and kindness; Pray for their wellbeing; Remember them in prayer so they may receive Allah's mercy in the afterlife

This hadith is narrated by Buraidah ibn Al-Haseeb and it teaches us a lesson about how we should greet those who have passed away. We should say “As salamu alaikum ahlad diyyari minal mu’minina wal muslimina” which translates to “Peace be upon you O inhabitants of the abodes of believers and Muslims”. We should also pray for their well being by saying “As alul laha lana wa lakumul afiyyah” which translates to “We pray to Allah for our own well being as well as yours”. This hadith reminds us that even though someone has passed away they are still part of our community and we should treat them with respect and kindness. It also encourages us to always remember those who have gone before us in prayer so that they may receive Allah's mercy in the afterlife.