Adva'ncer. n.s. [from advance.] He that advances any thing; a promoter; forwarder.
Soon after the death of a great officer, who was judged no advancer of the king's matters, the king said to his solicitor Bacon, who was his kinsman, How, tell me truly, what say you of your cousin that is gone? Bacon's Apothegms.
Let us add only this concerning this latter sort, that they are greater advancers of defamatory designs, than the very first contrivers. Government of the Tongue, § 5.