partaker

caller client companion customer inmate patron recipient tenant vacationer visitor

bedfellow boarder company frequenter lodger mate renter roomer sharer sojourner transient visitant

habitué out-of-towner

enemy manager opponent owner

colleague member partner party player shareholder

actor aide assistant associate attendant contributor helper sharer

a party to participator

bystander passerby spectator witness

fan

actor agent confederate contractor defendant litigant participant plaintiff plotter sharer

cojuror compurgator participator