An accomplice in a plot.
A member of a confederacy.
An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher.
To combine in a confederacy.
of, relating to, or united in a confederacy
banded together; allied.
One who helps; an aide; assistant; auxiliary.
That which helps; anything serving to assist.
A locomotive that assists a train, usually on steep gradients.
A person who does cleaning and cooking in a family home, or in a market; domestic employee.