a person that speaks and holds the truth (see Molina)
Alonso de Molina:
neltiliztli quitoani. persona que habla o trata verdad. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 66v. col. 2. Thanks to Joe Campbell for providing the transcription.