This is the 14769th most frequent German word.
parteilose
"Parteilose" means "nonpartisan" or "independent" (not affiliated with any political party).
In this context, 'parteilosen' is an adjective describing the candidates as not affiliated with a specific party, emphasizing their independence in political terms.
Die parteilosen Kandidaten treten zur Wahl an.
The independent candidates are running for election.
In this instance, 'parteiloser' is also used attributively to describe 'Bürger,' meaning the citizen is not a member of any political party but is still active in civic engagement.
Als parteiloser Bürger engagiert er sich trotzdem in Diskussionen.
As an independent citizen, he still engages in discussions.
Here, 'parteilose' functions as an attributive adjective relating to 'Meinung,' indicating that the opinion is neutral and unaffiliated with any party interests or bias.