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.
(..) And I will resist death with everything I have. But when the Angel of Death comes down to cut me down, I'll go. I'll protest. I'll curse. You hear me? I will go under protest. Protest to who? What the hell are you gonna do?? Write a letter to the Times? I will protest in silence. Because my whole life, I pray and I pray and there's never an answer! What are you saying? No answer, is also an answer. (..)2016 Café Society