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.
(..) I gave her freedom, but I taught her never to dishonor her family. She found a boyfriend, not an Italian. She went to the movies with him. She stayed out late. I didn't protest. Two months ago he took her for a drive with another boyfriend. They made her drink whisky and then they tried to (..)1972 The Godfather