transmitter vasoconstrictive mutagen causal agent retardation impairer retardent biological agent weakener pressor causal agency invigorator satisfier cause infective agent repressor vector motor represser vasoconstrictor shortener enlivener eliminator quickener relaxer retardant teratogen biohazard stressor infectious agent lethal agent

operative secret agent intelligence officer intelligence agent

procurator purchasing agent shipping agent next friend mill agent deputy shopper employment agent representative general agent literary agent intelligence officer special agent universal agent freight agent handler booker secret agent intelligence agent placeholder bailee government agent business agent parliamentary agent operative surrogate talent agent proxy booking agent

bacteriostat antifungal causal agent viricide antimicrobial antacid blanching agent alkalizer vermicide bleaching agent coolant drug hypoglycemic agent gastric antacid disinfectant causal agency thinner dilutant galactagogue antifungal agent coagulant lactogen nerve agent diluent mitogen virucide cause lactifuge bleach precipitant antiacid antimicrobic solvating agent emmenagogue alkaliser coagulator inducer substance antiflatulent germicide hypoglycaemic agent whitener fungicide chemical agent hypnagogue nerve gas antimycotic antimycotic agent

insurance broker estate agent syndic brokerage firm bourgeois investment banker general agent ship broker auctioneer brokerage house agent stockbroker securities firm real estate agent underwriter broker real estate broker businessperson insurance agent factor travel agent land agent

participant role semantic role agentive role

trustbuster functionary federal official Fed federal agent Federal official Indian agent