The phrase "whole cadre" refers to a complete or full group of people who work or train together, usually for a particular purpose or in a specific field. Full definition
There's a whole cadre of songwriters who realize there's some money to be made in the industry, study the lingo and churn out some bonafide worship songs. (relevantmagazine.com)
A whole cadre of professionals has grown up in the movement, and they are flooding the country with institutes and seminars. (religion-online.org)
He foresees «a whole cadre of tests,» including genetic, genomic and epigenetic. (scientificamerican.com)