A person in possession of land demanded in a civil action, claiming an estate of freehold therein, may be considered as a disseisor for the purpose of trying the right, irrespective of the manner of his original entry therein.
Mass. Gen. Laws ch. 237, § 6
Disseisors
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.