Answer:
irony
Step-by-step explanation:
In the given excerpt from "A Modest Proposal" Swift had used irony. The irony is one of the rhetorical devices in which the opposite is meant what is spoken. In the above excerpt, the irony is used when the speaker says "very worthy person" and "true lover of his country". This is an ironical statement because a person who possesses these qualities would never be the one using the children to get food supplies.