n.介入者；干涉者

The intervener submitted that the proposal was not feasible.
干预者提出该提案是不可行的。
The court allowed the environmental group to intervene in the lawsuit.
法院允许环保组织介入这场诉讼。
The intervener played a crucial role in resolving the conflict.
干预者在解决冲突中发挥了关键作用。
The government acted as an intervener to stabilize the economy.
政府作为干预者采取行动以稳定经济。
The third party intervener provided critical evidence in the case.
第三方干预者提供了案件中的关键证据。
His intervention in the debate sparked a lively discussion.
他在辩论中的介入激发了热烈的讨论。
The intervenor challenged the legality of the new regulations.
干预者挑战新规定的合法性。
The NGO intervened to provide humanitarian aid in the war-torn region.
非政府组织介入，为战乱地区提供人道主义援助。
The legal intervener helped the disadvantaged community assert their rights.
法律干预者帮助弱势社区主张他们的权利。
His unexpected intervention turned the tide of the negotiation.
他的意外介入改变了谈判的局势。