non-party
adjective[before noun]
ukusPOLITICS
notinvolvingorrelatedto apoliticalparty:
Thegovernmentintendstoholdnon-partyelectionsto the newbodies.
LAW
used todescribesomeone who is notdirectlyinvolvedin alegalagreementordisagreement:
Disinterested, non-partytrusteeswill be veryimportantinresolvingthismatter.