“Pretty sure she self-identified herself as a Christian.”
That’s how it’s usually done.
Yes, but actions speak louder than words. I can self-identify myself as the King of England... That and two dollars might get you a cup of coffee at Starbucks.
Isaiah 29:13b ... this people draw near me with their mouth, and with their lips do honour me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:
Mark 7:6 He answered and said unto them, Well hath Esaias prophesied of you hypocrites, as it is written, This people honoureth me with their lips, but their heart is far from me.