Jacobita.

"Jacobite," a European name, taken by some Nahuas; e.g. Martín Jacobita was one of the literate trilingual Nahuas who participated in the composition of the Florentine Codex

See Sell's comments in Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 28.