False personation
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The criminal offense of falsely representing some other person and acting in the character thus unlawfully assumed, in older to deceive others, and thereby gain some profit or advantage, or enjoy some right or privilege belonging to the one so personated, or subject him to some expense, charge, or liability.
See 4 Steph. Comm. 181, 290.