How does Malcolm behave in Act 4 Scene 3?

In Act 4 Scene 3 of Shakespeare's "Macbeth," Malcolm adopts a deceptive strategy to test Macduff's loyalty, maligning himself as unworthy of kingship to gauge Macduff's true feelings and intentions. This reveals Malcolm's cunning nature and his willingness to manipulate others to achieve his goals. Ultimately, Malcolm's ruse serves as a method to ensure he has the support and loyalty of those around him as he prepares to reclaim the throne.