Multiple Users Debugging Pods in a Single Kubernetes Cluster
Seems like namespaces combined with role-based access control mentioned here might be a good fit for your needs since as per the official documentation they are to help in those kind of scenarios:
Namespaces are intended for use in environments with many users spread across multiple teams, or projects.
To get more information on namespaces and how to use them you can check out the official documentation as well as the RPAC documentation.