Most people tend to join mainstream trade unions for instrumental motives and not so much for ideological reasons. This instrumentalism, together with the passivity of most union members, endangers members’ union loyalty and their willingness to act collectively. One possible way to de-emphasize the traditional model of service-oriented unionism and strengthen union commitment is to involve members in small union tasks. By partially assigning day-to-day union work to lay members, it is believed that over-stretched union representatives will be able to assign more time to implementing union policies of strategic importance.The article examines to what extent new union members are willing to voluntarily engage in union tasks inspired by organ...