ತಡೆಕಾವಲುಗಾರ

ಅಲರ್ ನಿಘಂಟು (ವಿ. ಕೃಷ್ಣ)

1. 1.
   noun

   a man, as a member of a labour union on strike, stationed outside a factory, store or public building, often carrying a sign, to demonstrate opposition to certain views or practices, keep strike-breakers from entering or dissuade people from buying; a picket.