The exact nature of serfdom in the Aztec world is not entirely understood, but many anthropologists and historians have offered theories and explanations for it.
Agricultural laborer depicted in the Florentine Codex. This image does not necessarily depict a serf, as free commoners were involved in plantation labor as well.
Slavery in the Aztec world was radically different from, say, Greek or Roman slavery.
Aztec slave (Tlacotin) as depicted in the Codex Mendoza.