PROTUTOR, civil law. He who not being the tutor of a pupil or minor, has administered his property or affairs as if he had been, whether he thought himself legally invested with the authority of a tutor, or not.
     2. He who marries a woman who is tutrix, becomes, by the marriage, a protutor. The protutor is equally responsible as the tutor.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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