Ishyaka riharanira demokarasi no kurengera ibidukikije mu Rwanda (Democratic Green Party of Rwanda-DGPR), risanga urubyiruko rukwiye kugaragara ari rwinshi mu bikorwa bya politiki, himakazwa ihame ry’uburinganire n’ubwuzuzanye mu buyobozi ku kigero cy’imyanya 50% ku bagore na 50% ku bagabo, kurengera ibidukikije, kugira uruhare mu matora no mu iterambere ry’igihugu.