noun which may take the genitive case particle 'no'
non-factional; unaffiliated with a political faction
Used in political contexts to describe a person or group that does not belong to any faction within a party or organization.
彼は無派閥の議員として知られている。
He is known as a non-factional lawmaker.
無派閥の候補者が党の支持を得るのは難しい。
It is difficult for a non-factional candidate to gain the party's support.