*broacher*

n. 1. A spit; a broach. [ 1913 Webster ]

On five sharp broachers ranked, the roast they turned. Dryden. [ 1913 Webster ]

2. One who broaches, opens, or utters; a first publisher or promoter. [ 1913 Webster ]

Some such broacher of heresy. Atterbury. [ 1913 Webster ]