Whakaotihia te rerenga e whai ake nei: I te marama o Hānuere 1933, ka riro te mana o te NSDAP (Te Pāti Nazi) a, kaore i roa ka huri ki te kawanatanga kotahi-rōpū i Tiamana. Ko nga roopu torangapu katoa (haunga te Rōpū Nazi) he ture kore inaianei, engari ko te Kaiwhakahaere hou, i te whakahe, he tino kino mo te Rōpū Kaunihera. I te Hui-tanguru 1933 ka heke a Roscher ki Czechoslovakia. I hoki ia ki Tiamana ka noho ki Dresden i Akuhata 1933, ka tiimata ano tana mahi (i tenei wa kaore i te ture), engari i te Tihema 1933 i hoki mai ia ki Prague, i roto i te hohipera, na te ngoikoretanga o tona hauora. I muri mai, pea i te tau 1934, ka tukuna ia e te roopu ki Kharkiv (i taua wa i te Soviet Union) i reira i roa ai tana whakaora me te mahi ano hei kaiwhakaako mo te Rōpū. I te pakarutanga o te Pakanga Tangata Paniora, i te tau 1936, ka uru atu ia ki nga International Brigades. I Spain i whawhai ia i roto i te Edgar André Bataillon. Heoi, i whara kino ia i te
I whawhai ia ki waho o Madrid i te marama o Noema o te tau kotahi mano e 1936 i muri mai ka neke ia ki Paris, i reira hoki i whakatūria ai e te Rōpū Kaunihera Tiamana i whakaraua tana tari matua. I te Paenga-whawha 1939 i mauria ia ki te Soviet Union i reira i whakanohoia ai ia ki tetahi whare okiokinga mo nga hoia whara mai i te Pakanga Taketake Paniora, i whakatuhia ki Peredelkino, he whare dacha i waho o Moscow. I konei ia i mate ai i Akuhata 1940.