joiner

nouns

a person who likes to join groups
is derived from
is a type of (narrower)
one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)
"only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"
a woodworker whose work involves making things by joining pieces of wood
is a type of (narrower)
makes things out of wood