Can course and offering be restricted based on instructor?

Client Requirement: When a user on the system has been selected as an instructor, he should be able to see only the courses and offering where he will be instructing.

Note: We have created a custom role based on standard Learning Specialist role. We have come across a similar post:

However, solution provided is not working. Can someone please advise if the requirement is actually feasible and provide guidance?

Thanks and Regards.