participant
n. countablen. a person who takes part in an activity or event. You use this word when someone is actively involved in something like a study, a game, or a meeting.
n. a person who takes part in an activity, event, or research study. Often used in formal or academic contexts to describe individuals involved in a structured process.
Each participant receives a certificate at the end of the course.
The medical trial requires every participant to keep a daily log of their symptoms for six months.
Researchers noted that while the initial pool of candidates was large, only half of the participants completed the final phase of the longitudinal study.
Borrowed from Middle French participant, from Latin participāns, present participle of participō; see participate. Displaced native Old English dǣlnimend (literally “part taker”).
Commonly followed by the preposition 'in' to specify the activity.
the participant of the meetingthe participant in the meetingParticipant usually takes the preposition 'in' rather than 'of' when referring to the activity.