ferblantier betyder på engelska

tinsmith [tinsmiths]▼◼◼◼(a person who makes or repairs things with tin)
noun
[UK: ˈtɪn.smɪθ] [US: ˈtɪn.smɪθ]

tinkerer▼(person who tinkers with things)
noun
[UK: ˈtɪŋk.ə.rə(r)] [US: ˈtɪŋk.ə.rər]