This is a question about Ada'Saforr who I think looks cool as hell. How differently was she treated because of being a rare quarian biotic and how did that factor into her deciding to go to Andromeda?
Oh man. Well, first off, thank you for asking and thinking she's cool as hell! I'm glad you like her and it makes me super jazzed, no lie. Day, made.
Answering your question, though, Ada was treated pretty differently, though I don't think she was like... ostracized or anything so dramatic. It was usually a lot more subtle, with people being a bit more nervous around her and trying not to make her angry/upset but unintentionally being super obvious about treating her vaguely like a ticking time bomb. Or reminding her to be careful around fragile equipment way more than necessary. Things like that.
Sometimes it was less subtle, though, particularly with children(though sometimes adults lol) asking her a million questions from "What do biotics feel like?" to "You can read minds, right? What am I thinking right now hurdurdurdur"And then there were various military personnel on the Flotilla that subtly/not-so-subtly urged Ada to persue a career with them, despite coming from a family that was very much civilian. That was probably the worst, as it eventually got to the point where Ada felt she had no choice in the matter and caved in, something that leaves her quietly bitter even into Andromeda.
Overall, people mostly treated her with caution, and I think it's this, combined with her already introverted nature, that caused Ada to become a fairly distant, reserved person in spite of the more extroverted culture of the quarian Flotilla. Despite having a few times in her life where she sometimes felt like she belonged, like during her Pilgrimage time at the then-new Grissom Academy, or with her squad during her marine days, Ada has always felt like an outsider overall. Rarely treated horribly, but never quite belonging, and always wondering what her life might be like if she were more "normal", or at the very least didn't have the capacity to rip a shuttle in half with her mind.
While Ada will claim that it was Raeto's decision to head to Andromeda that made her go, but that's only half of it. In reality, her biotic abilities and the bitterness that came with them are a big, if not the biggest contributing factor. In her mind, Andromeda is a chance for her to actually choose where she wants to go in life, free from feeling obligated to the Flotilla, because in her eyes she's -already- helping them by making sure the quarians have a future homeworld SOMEWHERE. From there, her life is her own, and she's happy to find out where it takes her.











