ARRL Big Brother CRT Cassandra Dutch uncle Jeremiah Polonius TV man admonisher adviser amateur radio operator announcer annunciator apprentice teacher audit auditor authority autodidact autopsy backseat driver boatswain boss buttinsky cameraman canvass cautioner channel check check out check over check up on chief communicant communicator comptroller confidant consultant control engineer controller counsel counselor custodian display educatee enlightener examine expert expert witness flagman floor manager floorman floorwalker follow foreman gaffer ganger give an examination go over gossipmonger graduate assistant grapevine guard guardian guide ham head headman informant information center information medium informer inquirer inspect inspector instructor intern interviewee keep track of kibitzer learner lighthouse keeper look at look over lookout lookout man meddler mentor mixer mouthpiece nestor newsmonger noncommissioned officer notifier observe orienter overhaul overlook overman oversee overseer paraprofessional pass over pass under review peer at peruse pore over postmortem practice teacher praepostor preceptist prefect press proctor prophet of doom public relations officer publisher pupil pupil teacher radio radio electrician radio engineer radio operator radio technician radioman radiotelegrapher radiotrician record reporter review run over scan scholar scrutinize self-taught person sentinel sentry set an examination signaler signalman sirdar size size up slave driver source spokesman straw boss student student assistant studier study subforeman super superintend superintendent supervise supervisor survey surveyor take stock of take the measure taskmaster teacher teaching assistant teaching fellow teaching intern television television technician teller tipster tout trace track trainee vet visitor warner watch watchdog witness