hired gun

He accuses me of being a "hired gun" as if I am an easily bought cypher for right wing propaganda.

Dimon, by contrast, is a hired gun—an employee paid to run a publicly traded company.

Being fired is dehumanizing in any event, but to get the news from a "hired gun" only makes matters worse.

Murray himself was at the wheel and, sitting beside him, was another man equally familiar–it was Dave, his hired gun-man.