"I've met someone just like you Credence. A girl - a young girl who'd been imprisoned, she had been locked away and she'd been punished for her magic."
--Newt Scamander (WFT)
A young witch who developed an obscurus from trying to suppress her magic. She died at the age of eight (WFT).
This young girl from Sudan was kept in captivity and treated badly because she was a witch. Newt Scamander met this girl shortly before her death. He tried but was unable to save her life. He did succeed in separated her obscurus from her and isolating it so that he could study it (WFT).