A person who cheers or shouts encouragement, especially for a sports team or person.
From 'cheer' (expressing joy or encouragement) plus the agent suffix '-er' meaning 'one who does.' 'Cheer' comes from Old French 'chere' meaning 'face' or 'expression,' evolving to mean displaying a happy expression.
The word 'cheer' transformed from literally meaning your facial expression to meaning the emotions you express—that's why we still say someone has 'good cheer,' connecting inner feelings to outward appearance.
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