'Strange' as in 'stranger', and also, 'why are you wearing a mask, weirdo'.

"So you make a habit of walking around with a weapon drawn? You must be new here." His lowering the weapon is 100% an invitation for her to come over, right? She's taking it as one. Do they have a lot of pink-haired chicks in his part of space? These are important things she needs to know. "Are you new here?"