protester

Someone who shows that they strongly disagree with something, often by joining a public gathering.

• A protester held a sign.
• Thousands of protesters marched through the city.
• Police arrested a protester outside the government building.

How to use it: protester against something (She was a protester against the new law.)

Similar words: demonstrator

Common phrases: peaceful protester, protester against something, student protester

Someone who formally records that a written promise or order to pay money has not been paid or accepted.

• The protester recorded the unpaid bill.
• A notary acted as protester of the note.
• The bank asked the protester to document the refusal of payment.

Common phrases: protester of bills, protester of notes