flag-waver

plural flag-wavers · alternative flag waver · alternative flagwaver

1. A highly vocal and visible supporter of a cause.

   In every organization exists a number of so-called flagwavers. Their principal stock in trade is a boisterous verbal display of loyalty to the cause […]

   1910, George A. Donnelly, The Union Postal Clerk, volume 6, page 102

   2 more examples

   And the hardcore group of some fifty North Viet flagwavers, they're toting the yellow-star standard as if they owned it! And does General Giap know his battles are being won with the aid of every last boy and girl fluttering their flags […]

   1977, Sidney Bernard, Witnessing: The Seventies, page 39

   These kinds of empirical studies might seem like the best way of countering the claims of post-bureaucracy's flag-wavers. They certainly act as an antidote to the extravagant and self-serving claims […]

   2016, Chris Grey, A Very Short, Fairly Interesting and Reasonably Cheap Book about Studying Organizations, 4th edition