How to exclude the initiator from Tasks where he is not a performer or owner.

Summary:

When a line manager terminates an employee, and triggers the offboarding journey linked to the termination action, the Line Manager gets notifications of the tasks that he must complete, but he is also notified (FYI) when the the employee or other performers complete a task. On some tasks for example the exit interview questionnaire, the employee is the performer and the HR Rep is the Owner, I have set the access of the task on the Display Settings tab, that the Line Manager cannot see the task details, however as the 'initiator' of this process, he is receiving a