of Crusade
Source: Webster's dictionaryWillkie crusaded against Roosevelt's attempt to break the two-term presidential tradition, arguing that "if one man is indispensable, then none of us is free." Source: Internet
Thomas Szasz, from near the beginning of his career, crusaded for the abolition of forced psychiatry. Source: Internet
Bryan crusaded as well for legislation to support introduction of the initiative and referendum as a means of giving voters a direct voice, making a whistle-stop campaign tour of Arkansas in 1910. Source: Internet