A person or group of persons stationed outside a place of employment,usually during a strike,to express grievance or protest and discourage entry by nonstriking employees or customers.

• 工会纠察员通常在罢工期间，驻扎在工作单位外面的人或一群人，以表示不满或反抗，阻止非罢工雇员或顾客进入。