Quote from: Helana on August 24, 2018, 03:44:25 AM

Thanks for that but now I feel just more confused: I've seen that some of the enlisted names you've provided me are stricken out. That means that they once were trusted but not anymore? And, if so, why?

Most likely, yes.
Based on this old post: Re: How to get into the Default Trust list?, those with ~~strikethrough~~ are the users who've lost their Green Trust Rating and/or their reputation, and...
The official announcement from theymos includes:

Quote from: theymos on May 21, 2013, 11:23:33 AM

If your trust list is totally empty, you trust "DefaultTrust", which includes some trustworthy people that I'll select.

He personally picked them, unless there was a change in the system that I missed.

Quote from: Helana

If they were trusted and they lost their credibility -just if that' s the case- then, what happens with the trust they give to others?

It will stay on the user's profile but it will not be displayed (in the profile or forum) by default, anyone can see the "Untrusted feedback" by clicking "show ratings" button if they want though.

For example, user: Patriciaparakeet has [Trust: 0: -0 / +0]
But when you look at his trust page and clicked the "show ratings" button below "Untrusted feedback", there were two negative feebacks that was written by untrusted users which doesn't have much weight on the user's reputation. (now, read my first reply again)

-edit and response to the next post-
After a user was removed from DT list, his previous trust rating will be counted the same as other "untrusted" users. Unless you've included his name on your trusted users list.