MATSUYAMA, Japan - Disclosing a person's nationality or family background without their consent is drawing increasing attention in Japan, where experts warn that exposing someone's roots against their will can cause psychological harm and leave them vulnerable to discrimination and exclusion.

The practice is being likened to "outing" -- the disclosure of a person's gender identity or sexual orientation without permission. Researchers argue that revealing a person's ethnic or national origins without consent can be equally damaging, while some municipalities have begun introducing ordinances aimed at preventing it.

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