参加人员的英文：
participant
n. 参与者；参加者
- She is an active participant in this activity.
她积极参与这项活动。 - Their assent to participate must be documented.
必须用文件来证明他们同意参加研究。 - unfitness that bars you from participation.
因为不胜任而不能得到参与某项工作的资格。 - Participation should not be voluntary.
参与不应是凭自愿。 - She participated in the church service.
她参加了礼拜活动。