introducer
noun
- one who introduces
Wiktionary
noun
Etymology: Etymology tree English introduce English -er English introducer From introduce + -er.
- Someone or something that introduces.
“The impartial observer of mankind is compelled to acknowledge that anger is the bane of society, the introducer of discord into the families of rich and poor, the disjoiner of friendships, the destroyer of conjugal and domestic bliss.”
- A device used to introduce an object into the body.