|May have existed earlier, but popularized in 1924 by Trotsky. Describes a sympathizer of a cause but who does not formally belong to the cause, such as a [[communist]] sympathizer who is not part of the communist [[party]]. | |May have existed earlier, but popularized in 1924 by Trotsky. Describes a sympathizer of a cause but who does not formally belong to the cause, such as a [[communist]] sympathizer who is not part of the communist [[party]]. |