Nils Krogstad appears in Henry Ibsen’s play A Doll’s House. He used to be Torvald’s university colleague and now works with him . Krogstad works at the joint-stock bank.He was unhappily married and is now a widower with many children.
Krogstad used to be a paralegal for a while in the area where Christine lived with her husband. Before Christine married a wealthy man eight years ago, Christine and Krogstad were lovers. The lawyer damaged his reputation a few years ago because he forged signatures. He was almost put on trial for this, but he managed to save himself from conviction by using various tricks. Afterwards, Krogstad was dismissed by the company.
For Torvald, Krogstad's fraudulent behavior is doubly condemnable from a moral perspective: "Many a man has been able to retrieve his character, if he has openly confessed his fault and taken his punishment. [...] But Krogstad did nothing of that sort..." (Act 1, 61%). Torvald, does not like Krogstad. He gives Torvald notice on Christmas Day.
Krogstad, however, is not willing to let Torvald dismiss him without opposition, and goes on a confrontational course with the Helmer family in order to be able to redeem himself: "I want to rehabilitate myself, Mrs Helmer; I want to get on; and in that your husband must help me." (Act 2, 69%). Now he wants to do everything he can to re-establish his social position and thus also provide a secure future for his children.
Krogstad first turns to Nora for help. In Torvald's absence, he seeks her out in her apartment and, at a very important and intimate moment for the family, deliberately pressures her even before he reveals his intentions: "No, it is Christmas Eve, and it will depend on yourself what sort of a Christmas you will spend." (94%).
Krogstad has observed from a restaurant across the street from the Helmers' apartment that Torvald has come out of the house together with Mrs. Linde. He then asks Nora directly whether Mrs. Linde would now get a job at the joint stock bank, as he fears is afraid that will mean he will lose his.
Nora is careless and confirms this assumption, believing that she is superior to him regarding the situation and her position as the wife of the new manager. Krogstad takes advantage of her naiveté and forces her to use her supposed inf...