"Welfare" has been, or is in the process of being Newspeaked, so that what was a word for a good thing has become something to be seen as an evil. Other words affected have been "refugee", although that seems to be arguing back again, by being compared with "migrant", and "asylum", which, attached to "seeker" was used as a replacement for "refugee" until it too became a bad thing. "Radical" has been stolen from its original historical meaning - you wouldn't see any Liberal claiming to be Radical nowadays, would you? (Or being mocked in quite the way John Buchan did in "The Thirty Nine Steps.")

I was watching an old broadcast about Thomas Cromwell, which mentioned his concern for the commonweal, a thing which our lords and masters wouldn't recognise if it were to jump up out of their PPE reading list and bit them. (He was probably concerned about it because he could see what would happen if the country was full of sturdy beggars with nothing to do and no means to do it with.)