He paid the fine 'under protest'. [=he paid the fine although he objected to it]
The students launched/held/staged a 'protest' against the tuition increase.
She told him to go to bed despite his 'protests' that he wasn't tired.
(..) - It's wrong, I tell you! - You French tart. - Everything is a conspiracy theory with you! - Quiet! I can't think! - Everything is a conspiracy theory! - I protest. - Harry. - I protest! Did you put your name in the Goblet of Fire? - No, sir. (..)2005 Harry Potter and the Goblet of Fire