joiner

Etymology 1

From Middle English joynour (“maker of furniture, small boxes, etc.”), from Old French joigneor (“joiner, carpenter”), agent noun from joindre (“to join”), equivalent to join + -er.

noun

1. A maker of wooden furniture or fittings.
2. A woodworking machine used to prepare edges of wooden elements to join to other wood pieces.

Etymology 2

join + -er

noun

1. A thing that joins two separate items, e.g. software to connect video or music clips.
2. A person who joins societies or organizations.
   I am not a joiner. I am reluctant to sign up as a member of any organization, because I generally can't find myself or my ideas in it. 2004, Eugene Goodheart, Confessions of a Secular Jew: A Memoir