Member (noun)

1. A person who belongs to a particular group or organization.
2. A part of a larger organization or group.
3. A part of a body, such as a limb or organ.
4. A structural element of a building or other structure.
5. A unit of a mathematical set.

Origin:

From middle english membre, from old french membre, from latin membrum ("member, limb, organ"), from proto-indo-european *mémbros ("member, limb").

Examples:

1. He is a member of the club.
2. She is a member of the team.
3. The hand is a member of the body.
4. The column is a member of the building.
5. The number is a member of the set.