Oma

"Oma" was the named used by Lila to discuss her guardian on Altara.

In 2503  the dwelling the pair shared on Altara was broken into, the intruder opening fire. "Oma" was killed in the gunfire while Lila escaped.

Trivia
"Oma" is the short form for the German word Großmama or Großmutter (grandmama / granny or grandmother).