Kammala wannan magana: Bieber yana goyon bayan Pencils of Promise, wata kungiyar agaji da Adam Braun ya kafa, ƙaramin ɗan'uwan manajan Bieber. Kungiyar tana gina makarantu a kasashe masu tasowa, kuma Bieber ya zama manajan kamfen din kungiyar a Guatemala. Yana aiki a matsayin mai magana da yawun kungiyar ta hanyar gudanar da tallace-tallace don sadaka da kamfen dinta "Makarantu don Duk". Ya yi alkawarin ziyartar makarantun da ke ba da gudummawar kuɗi ga ƙungiyar. Yana shiga cikin galas na tara kuɗi na sadaka kuma yana ba da gudummawar wasu abubuwan da aka samu daga waƙoƙinsa da layin turare na Someday, da kuma kayayyaki daban-daban ga sadaka. A cikin 2010, Bieber ya goyi bayan kamfen don Mutanen da ke Kula da Kula da Dabbobi (PETA) ta hanyar roƙon magoya baya su ɗauki dabbobin da aka watsar daga mafaka. Bieber ya ba da gashinsa ga Ellen DeGeneres yayin bayyanarsa a cikin tattaunawar ta "The Ellen DeGeneres Show" a watan Maris na 2011. An sayar da gashinsa a kan eBay sama da $40,000 kuma kuɗin da aka samu ya amfana da kungiyar ceton dabbobi, The Gentle Barn. Bayan da
girgizar kasa da tsunami a Japan a watan Maris na 2011, Bieber ya ba da gudummawar kuɗin da ya samu daga waƙoƙin da ya yi a Japan ga Red Cross na Japan a watan Mayu na 2011. A watan Disambar 2011, Bieber ya ba da gudummawar dala 100,000 ga Makarantar Firamare ta Whitney da ke Las Vegas don samar da ɗalibai daga iyalai masu ƙarancin kuɗi. Bieber ya goyi bayan, wata kungiya mai zaman kanta da ke kawo ruwan sha mai kyau ga mutane a kasashe masu tasowa. A ranar haihuwarsa a shekarar 2011 da 2012, ya kaddamar da yakin neman zabe don ya bukaci mabiyansa su ba da gudummawa a kan Twitter. An zabi Bieber a matsayin babban mashahurin sadaka na shekara ta 2011 ta hanyar kamfanin tattara labarai na Amurka da kuma shafin yanar gizo na HuffPost.