a falsifier, one who writes things that are false (see Molina)
Alonso de Molina:
iztlaca tlacuilo. escriptor falso. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 49v. col. 2. Thanks to Joe Campbell for providing the transcription.