英语单词plaintiff prosecutor juror和下面句子的搭配问题

原告，辩护律师，陪审团成员（plaintiff， prosecutor ，juror）
1.对某人做了合法的行为
2.决定被告是否有罪
3.在法庭上指控某人
A plaintiff is a person who brings a legal case against someone in a court of law =》1（原告是在法庭内就一法律事件起诉某人的人，对应一）

In some countries, a prosecutor is a lawyer or official who brings charges against someone or tries to prove in a trial that they are guilty =》3（检察官，公诉人是在上法庭前起诉某团里或人员的）
In a court of law, the jury is the group of people who have been chosen from the general public to listen to the facts about a crime and to decide whether the person accused is guilty or not. =》2
（美国的陪审团制度，陪审团是从大众中选出的判断是非的人员，当然与原被告无利害关系，实际上做不到，啊哈，看看辛普森就知道了）

答案：
1是plaintiff
2是juror
3是prosecutor