選択的
activism
audience
audio
auditorium
civil
communication
conference
convention
crowd
demonstration
demonstrations
election
elections
electrical
electronics
equipment
event
flag
focus
group
horizontal
human
justice
labor
mass
meeting
mic
microphone
news
nonviolent
object
orator
people
political
politics
presentation
protest
protesters
public
rally
recording
remonstrance
remonstration
resistance
rights
sound
speaker
stand
unrecognizable
vocal
worker