> "Eigi varði mig slíkra orða af þér [...]
> "I will not take responsibility?? for such words from you

"I did not expect such words from you".

'vara' (preterite 'varði') "to give (one) a foreboding of", with
accusative for the person who has the
expectation/anticipation/premonition, and genitive for what is
expected, e.g. 'þess varir mik, at...' "I have a presentiment that..."