The peddler initially refuses the ironmaster’s invitation because he fears being exposed as a thief and is suspicious of the ironmaster’s intentions. Aware of his own disheveled appearance and criminal act of stealing the crofter’s money, the peddler believes that accepting the invitation could lead to trouble or punishment. His reluctance highlights his mistrust of others and his own self-perception as unworthy, underscoring the story’s themes of identity and social alienation.