A person who wrongfully takes away someone else's land or property through disseizin.
From 'disseise' plus the agent suffix '-or' (one who performs the action). This legal term designated the wrongdoer in property disputes and required specific legal procedures for remedy.
A 'disseisor' in medieval law was essentially a property thief, but with legal cover—which is why victims needed special writs and why 'disseisoress' (female version) appears in court records alongside her male counterpart.
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