Kammala jumla mai zuwa: Shekara guda daga baya, a 1975, an zabi Diokno a matsayin shugaban kungiyar 'Yancin Bil'adama, matsayin da ya rike har zuwa 1982. Daga baya a watan Maris na 1983, Diokno ya kafa Kungiyar "Kilusan sa Kapangyarihan a Karapatan ng Bayan" (Movement for People's Sovereignty and Democracy) Organization ko KAAKBAY, wanda ke da ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra'ayin ra KAAKBAY ya rinjayi jama'a kuma ya yi yaƙi da gwamnatin Marcos ta amfani da ayyukan da ba na tashin hankali ba ko kuma "siyasa na matsa lamba". Daga baya KAAKBAY ya daukaka siyasar matsa lamba a matsayin muhimmiyar ƙa'ida ga dimokiradiyya ta hanyar littafinsa mai suna "The "Plaridel" Papers". Buga na watan Agusta 1984 na "Plaridel" Papers ya ba da ra'ayi game da siyasar matsa lamba kuma ya gabatar da tsarin siyasa wanda zai haɗa da "majalisun tituna" wajen gina "democracy na jama'a". KAAKBAY kuma yana daya daga cikin manyan kungiyoyin membobin kungiyar Justice for Aquino, Justice for All (JAJA), wanda Diokno ya kafa a ranar 25 ga Agusta, 1983 bayan
"Ninoy" kisan gillar Aquino don komawa kasar don fuskantar Marcos. JAJA ita ce ta farko da ta haɗu da Marcos, amma ba ta daɗe ba. KAAKBAY ya kasance babban haɗin gwiwa wanda ya hana sauran ƙungiyoyi masu tsattsauran ra'ayi barin JAJA. Abin takaici, JAJA daga baya aka maye gurbinsu da galibi na hagu na Coalition of Organizations for the Restoration of Democracy (CORD) a tsakiyar shekarar 1984, wanda ke da kusan mambobi iri ɗaya. Kafin ƙirƙirar CORD, yawancin tsoffin membobin JAJA waɗanda ba su yarda da 'yan gurguzu ba sun kuma shirya ƙawancen da ya fi girma da ake kira "Kongreso ng Mamamayang Pilipino" (KOMPIL) ko kuma Majalisa ta Jama'ar Filipino, kuma Diokno ne ke jagorantar ta.