attendee
US /ə.tenˈdiː/
UK /ə.tenˈdiː/

1.
participante, presente
a person who attends a conference, meeting, or other event
:
•
There were over 200 attendees at the annual conference.
Havia mais de 200 participantes na conferência anual.
•
Each attendee received a welcome packet.
Cada participante recebeu um pacote de boas-vindas.