He is mostly silent as he moves, yet even that is a giveaway to his nature, isn't it? The way he looks at her, wary and measuring, Keziah knows not to pretend humanity.

"New in a sense," she replies, shifting her mug to one hand returning that bow in a precise mimic of how much he bends. Her heavy gaze meets his, dark brown eyes assessing, which is something she has avoided for everyone else she's spoken with at the gathering. "I am Keziah, progenitor of House Keziah. A pleasure to make your acquaintance, Lord Erik Osborne."

Some vampires in her world style themselves as 'lord' or 'lady', but it's not a universal title with a universal meaning. But he has shown some respect, and will get some in return.