Nativus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. In old English law, a native; specifically, one bom into a condition of servitude; a born serf or villein.
— Nativa. A niefe or female villein. So called because for the most part band by nativity. Co. Litt. 1226.
— Nativi conventionarii. Villeins or bondmen by contract or agreement
— Nativi de stipite. Villeins or bondmen by birth or stock. Cowell.
— Nativitas. Villenage ; that state in which men were born slaves. 2 Mon. Angl. 643.
—Nativo habendo, A writ which lay for a lord when his villein had run away from him. It was directed to the sheriff, and commanded him to apprehend the villein, and to restore him together with his goods to the lord. Brown.