middle-of-the-road faction; centrists; independents
Refers to a political group or individuals who take a moderate stance, avoiding extremes. Often used in contexts like party politics or international relations.
In the parliament, the centrist faction holds the casting vote.
He is an independent politician who does not belong to any party.
無所属 means 'independent' or 'unaffiliated' and is commonly used for individual politicians, whereas 中間派 implies a collective moderate faction that may still be within a larger organization.
Compound of 中間 (middle, intermediate) and 派 (faction, group). The term is transparently derived from its components.