Noun • navvy

कठोर:    cruel oppressor Draconic bleak rigid rigide

कठोर परिश्रम:    elbow grease graft hard labour travail

परिश्रम:    toil work assiduousness hardwork application

करने वाला:    executor observer worker doer hypothecator

मजदूर:    journeyman working person workingman yardman