The phrase "willing tool" means a person who eagerly follows instructions or is easily influenced by someone else.
Sentences with «willing tool»
«Not only will this tool make my life a lot easier, it is also going to make me look a bit more sophisticated than I really am,» he says. (remonline.com)
What tools will be used for universal screening and progress monitoring, and how often will the tools be used? (rtinetwork.org)
Indeed, the founding father once remarked «How strangely will the Tools of a Tyrant pervert the plain Meaning of Words» — an invocation that Justice Scalia reprised in his indignant King v. Burwell dissent. (firstthings.com)