Who is Georgi on EastEnders? How does she know Zsa Zsa?

EastEnders airs the arrival of newcomer Georgi next week, and she has news for Tina Carter. Georgi arrives after pal Zsa Zsa Carter makes contact with her aunt Shirley Carter – asking her to help Georgi. The pregnant character comes to blows with Tina as she learns her identity, but