union organizers
...that fear of retaliatory terminations is a leading obstacle to union organizers in their efforts to unionize a workplace?
...that fear of retaliatory terminations is a leading obstacle to <b id="mwCbo"><a href="./Union_organizer" id="mwCbs" rel="mw:WikiLink" title="Union organizer">union organizers</a></b> in their efforts to <a href="./Trade_union" id="mwCbw" rel="mw:WikiLink" title="Trade union">unionize</a> a workplace?