protester
US /ˈproʊ.tes.tɚ/
UK /ˈproʊ.tes.tɚ/

1.
penunjuk perasaan, pembantah
a person who publicly demonstrates strong objection to something or expresses dissent, often as part of a group
:
•
The police arrested several protesters at the demonstration.
Polis menahan beberapa penunjuk perasaan di demonstrasi itu.
•
She joined the group of environmental protesters.
Dia menyertai kumpulan penunjuk perasaan alam sekitar.