stand up and be counted

verb2

1. •
   To publicly make known one's views, contributions, or vote, especially in a contentious situation where fortitude is required.

   • Only four years ago many a small nation felt required to stand up and be counted, either for or against the U.S. — 1960
2. •
   To take significant individual action to help a group effort.

   • "You definitely want to stand up and be counted," said Dempsey. "You're a player the team looks to to get goals and you want to try to help the team win." — 2009