member

noun

1.
one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)
belongand belonger fellow member
Antonym:
nonmember
Derived from:
membership
2.
anything that belongs to a set or class
Derived from:
membership
3.
an external body part that projects from the body
appendage extremity
4.
an organization that is a member of another organization (especially a state that belongs to a group of nations)
Derived from:
membership
5.