Any wage earner may carry an IWW card. No worker is barred because of race, religion, nationality, sex, or sexual orientation.
It is not, however, an organization for cowards or those who substitute words for action. It does not want people who are content to unquestioningly follow leaders.
The IWW is a union devised by and for workers, the best and most intelligent, and growing numbers of such workers are securing IWW cards. They want to help build the union that will rebuild the world. The IWW needs them and they need the IWW.