an antisocial person, not a friend to anyone; a person who cannot converse (see Molina)
Alonso de Molina:
acan teicniuh. esquiua e inconuersable persona. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 1v. col. 2. Thanks to Joe Campbell for providing the transcription.