A "staunch ally" is a person or group that is extremely loyal and supportive in times of need. They are unwavering in their commitment and can always be relied upon for help and support. Full definition
The teachers are usually staunch allies of the Assembly Democrats. (nystateofpolitics.com)
Cuomo has recruited over the years staunch allies in labor, such as the politically influential HTC, 119SEIU as well as construction - labor groups. (nystateofpolitics.com)
Dedicated to the charter school industry and the corporate education reform agenda, Trumbull's Stephen P. Wright has been one of Governor Dannel Malloy's staunchest allies on the State Board of Education. (jonathanpelto.com)