doubt (8)

As well as connecting workers and the companies they own, Pitt-Watson argues that more accountability can bring together hard-nosed capitalists and left-wing campaigners. He quotes both right-wing economist Milton Friedman, saying 'the social responsibility of business is to maximise its profits', and Labour founding father Keir Hardie, who argued that the final battle for the worker was to 'make property his servant, not his master'.

1/ What is the meaning of as well as in this context?

2/ Does accountability here mean responsibility? If not, what is the meaning of accountability here?

3/ Normally, do accountability and responsibility have the same meaning and interchangeable?If not, please tell me the difference in meaning btw them?

4/ I don't understand Labour founding father Keir Hardie. What does Labour founding father mean?

5/Why isn't there an artcile before labour?Why is founding an ing-form?

6/ Is the subject of who only Labour founding father Keir Hardie or both economist Milton Friedman and Labour founding father Keir Hardie ?

Quoc