Maya Sundaresh and Chioma were lovers, were both part of the Ishtar Collective team that studied the Vex, and were two of the four people that sent many copies of themselves into the Vex network. That’s why Maya is a possibility for the Stranger Elsie Bray disappeared mysteriously three years before present time and the only other evidence we have of her existence is a ship designed by her. But we have a few vague clues that may link her to the FWC and to Ana Bray so she’s also a possible Stranger