Businessmen, once staunch supporters, are divided, as is the country as a whole.
From the economist.com
Rogers was a staunch Democrat, but he also supported Republican Calvin Coolidge.
From the en.wikipedia.org
As Citi's stock has declined, Alwaleed has been nothing but a staunch supporter.
From the forbes.com
He was a staunch admirer of the great, politically incorrect writer John O'Hara.
From the boston.com
Thanks to a staunch 114 from Charlotte Edwards they had taken an important lead.
From the smh.com.au
This was a staunch recovery from Chelsea and, after 53 minutes, they were level.
From the guardian.co.uk
In March 1632, Gustavus Adolphus invaded Bavaria, a staunch ally of the Emperor.
From the en.wikipedia.org
Mr. Mikati was an staunch ally of Mr. Hariri during 2009 parliamentary elections.
From the online.wsj.com
These often overlooked genres are staunch, proud and possess fiercely loyal fans.
From the nznewsuk.co.uk
More examples
Steadfast: firm and dependable especially in loyalty; "a steadfast ally"; "a staunch defender of free speech"; "unswerving devotion"; "unswerving allegiance"
Stem: stop the flow of a liquid; "staunch the blood flow"; "stem the tide"
A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways. ...
To stop the flow of (blood); To stop, check, or deter an action; loyal, trustworthy, reliable, outstanding; dependable, persistent
Or steady not moving to retrieve until commanded to do so.