"Do swarm upon him"MetaphorAct 1,Scene 2Lines 11-13An explanation of the metaphor, “Do swarm upon him,” in Act 1, Scene 2 of myShakespeare’s Macbeth. Sergeant The multiplying villainies of nature Do swarm upon him — from the Western Isles, Of kerns and gallowglasses is supplied. In this metaphor, the peasant soldiers (kerns and gallowglasses) are swarming to join Macdonald’s rebellion, like insects swarming from a nest.
