Retainer

Part of speech: noun (n.)

1. One who, or that which, retains.

2. One who is retained or kept in service; an attendant; an adherent; a hanger-on.

3. Hence, a servant, not a domestic, but occasionally attending and wearing his master's livery. Cowell.

4. The act of keeping dependents, or the state of being in dependence. Bacon.