The usurpation of an orphan’s property is a Greater sin, as is clear from the following verse: (As for) those who swallow the property of the orphans unjustly, surely they only swallow fire into their bellies and they shall enter burning fire.’ (Surah an-Nisā’ 4:10) SOURCE: GREATER SINS V1 | AYATOLLAH DASTAGHAIB SHIRAZI (R)
After the death of the Prophet…
After the death of the Prophet (S), Hazrat Fatima (A) continually wore the scarf of mourning on her head, possessing crying eyes and a burning heart. Source : Fatima az-Zahra’, The World’s Most Outstanding Lady|AYATOLLAH MAKAREM SHIRAZI