Lingk is the one significant character in the play who is not in the real estate business. His weakness makes him a perfect target for Roma. Lingk bends first to Roma's will and then to his wife's will, but at no point does he seem to know what he himself wants or to be capable of making decisions on his own. Lingk's putty-like malleability is the quality all of the salesmen treasure and seek out in others: if a person is willing to give a proverbial inch, then a good salesman can find a way to extract a proverbial mile. Lingk himself seems painfully aware of his own weakness, but, understandably, he is too upset and beleaguered by the bullying and lying that surrounds him to be able to fight against it.