The end goal is that in a particular project, users and administrators can see all issues except those that related to them. This can be a custom field for example, or in some other way.
I mean personal user cards that these users should not see themselves, but they should not be limited to see the cards of other employees, even if they are administrators.
Hey @Andrey Deltsov and welcome to the community!
If you want to limit visibility/access to issues within a project you'll have to look in to issue level security
https://support.atlassian.com/jira-cloud-administration/docs/configure-issue-security-schemes/
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