Nikol Pashinyan belongs to _______________ party, again elected as Prime Minister of Armenia, in 2018 Armenian Parliamentary Elections held on 9 December,2018?

he first became Prime Minister on 8th May, 2018 and then reigned on 16th oct, 2018 in an attempt to force an early parliamentary election. Then on 9th December, 2018 he is again elected as PM of Armenia,,, (he also remained acting PM from 16th Oct to 9th Dec)