Bollywood actor John Abraham on Monday launched a campaign to eradicate clubfoot a health condition amongst children. He said he is more than willing to associate himself with such causes. John who unveiled the poster here is the goodwill ambassador for clubfoot an initiative of Cure India. 'I am fortunate that I have been able to lend face value and help propagate the campaign' John told reporters at the launch of the campaign. 'When they told me I asked them to use and abuse my image - anything that needs championing of a cause requires us (celebrities) to be there'