In all cases in which a guardian has been named for any person liable for payments under sections 83-227.01, 83-227.02, 83-350, and 83-363 to 83-379, the guardian shall represent such person in all matters arising under sections 83-227.01, 83-227.02, 83-350, and 83-363 to 83-379 and shall be liable in the same manner as he or she would be on any other matters arising from the guardianship.