One of our users has an interesting use case where they would like to assign tasks to specific users either without giving the user assigned the task access to a team or possibly removing their access automatically once the task has been marked complete. What would be the most seamless way of accomplishing this? I know that using Planner one can assign a task to a user not currently a member of a team but this would therefore make said user a member and leave the responsibility of managing group membership to the group owner.
Power Automate seems to be a step in the right direction but it'd be preferable for the group owner/task assigner not to have to worry about this overhead.
Are there any alternatives?
E: Forgot to mention that these tasks will be assigned at will so dynamic group membership would not be suitable either.