Caliban performs an ironic inversionironic inversion — Turning something's intended purpose back against its source of the colonial narrative: where Prospero frames language-teaching as civilising generosity, Caliban reframes it as the provision of a weapon. The word 'profit' is bitterly commercial — it echoes colonial language of trade and exploitation, suggesting that even resistance must be expressed in the coloniser's economic terms.

The verb 'curse' carries multiple meanings: to swear, to invoke supernatural harm, to express anger. Caliban's curse is all of these — a refusal to use language 'properly' (as Prospero intends) and instead to deploy it subversivelysubversively — In a way that undermines established authority or conventional expectations. Shakespeare dramatises how the oppressed can transform the master's tools into weapons of resistance.