A person who wrongfully takes away someone else's land or property (alternate spelling variant of disseisor).
From 'disseize' plus agent suffix '-or.' Variant spelling maintains identical meaning to 'disseisor' in legal contexts.
Both 'disseisor' and 'disseizor' named the villain in property disputes, and medieval judges had to carefully determine which party was the guilty 'disseizor' and which was the wronged victim.
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