auxiliary
index
abettor, additional, adjunct, affiliate, appurtenance, appurtenant, associate, backer, clerical, coactor, coadjutant, cohort, collateral (accompanying), colleague, confederate, consociate, contributor (contributor), contributory, copartner (business associate), expedient, expendable, inferior (lower in position), instrumental, ministerial, nonessential, participant, pendent, reinforcement, secondary, slight, stopgap, subordinate, subservient, subsidiary, substitute, supplementary, unnecessary
Burton's Legal Thesaurus.
William C. Burton.
2006