"Put Up a Hard Fight for the Faith" has a large section where David Splane says to avoid disfellowshipped "apostates" because spending time with them would be like drinking poison and an "apostate" is anyone who talks bad about the organization...
https://www.jw.org/en/library/videos/#en/mediaitems/2021Convention/pub-co-r21_137_VIDEO
This video, about from minutes 25-30, Stephen Lett says associating with "apostates" is like eating from a garbage can and you shouldn't let such disfellowshipped ones in your home or spend any time with them at all.
https://www.jw.org/en/library/videos/#en/mediaitems/2021Convention/pub-co-r21_149_VIDEO
In this "morning worship", Robert Ciranko says to stop associating with disfellowshipped ones...
https://www.jw.org/en/library/videos/#en/mediaitems/VODPgmEvtMorningWorship/pub-jwb-099_11_VIDEO
Stephen Lett says anyone who exposes the governing body is like a "stranger" and an apostate from Satan and not to listen to them...
https://www.jw.org/en/library/videos/#en/mediaitems/StudioTalks/pub-jwb-090_2_VIDEO