 Among Mosley's supporters at this time included John Strachey, the novelist Henry Williamson, military theorist J. F. C. Fuller, and the future "Lord Haw Haw", William Joyce.Mosley had found problems with disruption of New Party meetings, and instituted a corps of black-uniformed paramilitary stewards, the Fascist Defence Force, nicknamed "blackshirts".The party was frequently involved in violent confrontations and riots, particularly with Communist and Jewish groups and especially in London.