A person who has done something morally wrong or broken religious rules.
From Old English 'syngian' meaning to commit a sin. The suffix '-er' means 'one who does.' The concept evolved from religious teachings about moral wrongdoing.
Throughout history, the label 'sinner' was so powerful that entire social systems were built around determining who qualified—medieval confessions, scarlet letters, and public shaming were all ways societies tried to mark sinners. It's fascinating that this single word carried enough weight to determine someone's place in their community.
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