That means dissenters.

As in dissenters within your own party. In this case, Germany’s CDU.

Germany’s parliament rejects radical migration plan – Greens and SPD earlier refused to support the Influx Limitation Act amid fierce criticism from Merkel over Merz’s cooperation with AfD…

The highly-controversial proposal, put forward by the CDU/CSU opposition party which leads in the polls, failed to secure a majority in the Bundestag, despite the backing of the far-right Alternative für Deutschland.