Short for 労働基準監督署 (Rōdō Kijun Kantokusho, “Labour Standards Inspection Office”).

person

worker who performs a physically demanding job, manual laborer

role

right; claim; title; privilege

important, significant

importance, consequence, significance

(archaic) to stand watch over something, to be on the lookout for something (such as a watchman controlling entry to a place) / (archaic) to protect or defend something, to ensure that something is safe

護る: to protect, to defend / to watch carefully / to abide (by rules), to observe (regulations)

(Classical Japanese) to be watching continuously, to be on watch repeatedly, to be on look out