Ryuichi Mita; Tun daga koyon addinin Musulunci a kasar Sin har zuwa fassarar kur'ani a kasar Japan
A cewar Musulman Duniya, an haifi "Ryuchi Mita" ko Hajj Omar Mita a shekara ta 1892 a garin Shimonoseki, dake lardin Yamaguchi dake tsibirin Kyushu a yammacin kasar Japan, a cikin dangin samurai da mabiya addinin Buddah. Ya kammala karatun digirinsa na biyu a fannin kasuwanci a tsangayar tattalin arziki ta Jami'ar Yamaguchi, inda ya kammala a shekarar 1916.
A lokacin karatunsa, Mita ya karanci littafan Hajj Omar Yamaoka, wani musulmi dan kasar Japan. Wadannan littattafai su ne tushensa na farko da ya fara gabatar da addinin Musulunci. Don haka ne ya ci gaba da tafiyarsa tsawon shekaru 30 har hasken tauhidi ya haskaka cikin zuciyarsa.
Bayan kammala karatunsa na jami'a, Ryuichi Mita ya tafi kasar Sin, inda musulmin kasar suka shigar da shi addinin Musulunci. A shekarar 1920, ya rubuta wata kasida mai suna "Musulunci a kasar Sin" wadda aka buga a mujallar "Tokuzai Kinkyo". Rayuwar Musulman kasar Sin ta yi tasiri matuka a kansa, kuma ya kware a harshen Sinanci sosai a lokacin.
Ya koma kasar Japan a shekara ta 1921, ya kuma kara fahimtar addinin Musulunci ta hanyar sauraren laccocin Hajj Omar Yamaoka.
Har ila yau, kamfanin jirgin kasa na Manchurian ya tura shi arewacin kasar Sin a lokacin yakin Sino da Japan. Musulman kasar Sin ne suka yi tasiri a kansa, kuma ya yi fatan al'ummar Japan ta samu irin wannan al'ummar Musulunci.
Tun daga wannan lokacin, Mita ya yi tafiya zuwa kasashe da yawa, ciki har da Saudi Arabiya, kuma ya halarci tarurruka da tarurruka da yawa. Ya kuma rubuta littafai game da alakar Musulunci da sauran addinai da kuma rayuwar mutane a cikin al'ummar Musulunci.
Ryuichi Mita yana da shekaru 49 a duniya ya je wani masallaci a birnin Beijing, babban birnin kasar Sin, domin bayyana muradinsa na shiga Musulunci. Don haka a shekarar 1941 ya musulunta ya canza sunansa zuwa Omar Mita.
Hajj Omar Mita ya koma kasar Japan ne a shekarar 1945 bayan kammala yakin, inda ya fara aiki a jami'ar Kansai.
Ya yi tafiya zuwa Pakistan a 1957 kuma ya gudanar da ayyukan Musulunci. A shekarar 1960 ya tafi aikin Hajji, kuma bayan rasuwar Sadeq Imaizumi, shugaban kungiyar Musulmi ta Japan (JMA) na farko, aka zabi Mita a matsayin shugaban kungiyar.
A lokacin da yake shugabantar wannan al’umma, ya rubuta wasu muhimman littafai guda biyu kan Musulunci, “Fahimtar Musulunci” da “An Introduction to Islam,” a cikin harshen Jafananci. Ya kuma fassara littafin "Rayuwar Sahabbai" na Muhammad Zakariyya zuwa harshen Jafananci da kuma harsuna da dama masu alaka da kasashen gabashin Asiya.
Hajj Omar Mita ya buga bugu na farko na tarjamar kur’ani mai tsarki zuwa harshen Japan a ranar 28 ga Yuli, 1972, kuma an buga shi a shekarar 1982.
Bayan mutuwar matarsa, ya yi murabus daga aikinsa kuma ya zauna a Tokyo, yana ba da duk lokacinsa na wa'azin Musulunci. Ya rasu a shekara ta 1983.
