Sii wad qodobkan - Nicolau wuxuu ku dhashay Bucharest sanadkii 1889. Markii uu arday ka ahaa Dugsiga Sare ee Saint Sava, wuxuu saaxiibo la yeeshay Constantin Titel Petrescu iyo Mihail Cruceanu, oo labaduba markii dambe loo yaqaanay dagaalyahanno bulsheed. Kadib markii uu dhammeeyay waxbarashadiisa dugsiga sare, Nicolau wuxuu u tababbaray qareen, wuxuu shahaadada ka qaatay Jaamacadda maxalliga ah, wuxuu PhD ka qaatay Paris, ka hor inta aan la aqbalin Barta Bucharest. Xiriirkii ugu horreeyay ee uu la yeeshay dhaqdhaqaaqa shuuciga ee Romania, oo wali ku jiray jahawareer muddadaas, wuxuu ku yimid xubinnimadiisa Wareegga Daraasadda ee Bucharest ee Ardayda Bulshada ee u dhexeeya 1908 iyo 1909. Wax yar ka dib wuxuu bilaabay inuu wax u qoro "România Muncitoare", oo ah goobta ugu weyn ee warbaahinta bulshada. Mid ka mid ah waxyaabihii ugu horreeyay ee uu soo bandhigay waxay ahayd waraaqaha uu ka soo diray Talyaaniga, isagoo dhaleeceynaya mowqifka dib-u-habeynta ee xisbiga shuuciga ah ee maxalliga ah. Sannadkii 1911, "România Muncitoare" waxay daabacday Nicolau's manifest anti-militarist "To the recruits". Xusuusinta kaalintii ciidanku ka qaateen xakameynta kacdoonkii beeraleyda ee 1907
, buug-yarahan ayaa ugu baaqay shaqaalaha cusub inay doortaan waddo ka duwan oo ay diidaan inay taageeraan xakamaynta dowladda ee dalabaadka shaqaalaha iyo beeraleyda. Sidaa darteed, bishii May 1912 waxaa la horgeeyay maxkamad ku taal Ilfov County, halkaas oo uu ku xaqiijiyay fikradaha lagu muujiyay bayaankiisa. Waxaa difaacay walaalkay Mihail Gh. Bujor, Toma Dragu iyo Titel Petrescu, iyo taageeraha bulshada ee Constantin Mille, Nicolau ayaa ugu dambeyntii xoriyadiisii ka qaatay. Bishii Juun 1912, isaga oo ay weheliyaan Constantin Dobrogeanu Gherea, Ecaterina Arbore iyo kuwo kale, wuxuu matalay Naadiga Bulshada ee Bucharest Shirweynihii Shanaad ee Xisbiga Dimuqraadiga ee Bulshada ee Romania (PSDR), isagoo loo doortay xubin ka mid ah guddiga guriga daabacaadda ee xisbiga. Si uu uga baxsado dhibaataynta mas'uuliyiinta, Nicolau wuxuu doortay inuu ka tago Romania oo uu aado Paris, halkaas oo uu ku sii waday waxbarashadiisa sharciga ee Sorbonne, wuxuuna ku biiray Qaybta Faransiiska ee Shaqaalaha Caalamiga ah.