To restrict access to fields related to background checks on the Contact object so that only the volunteer manager and executive director can access them, the consultant should:

Create a Permission Set:

A permission set is a collection of settings and permissions that gives users access to various tools and functions.

Creating a permission set that includes access to the specific fields related to background checks allows for precise control over who can view and edit these fields.

Grant Field-Level Security:

Within the permission set, set field-level security to ensure only the specified users can view and edit the background check fields.

This ensures that sensitive information is only accessible to authorized personnel.

Assign the Permission Set:

Assign the permission set to the volunteer manager and executive director.

This approach provides flexibility and security, ensuring that only the designated users have the necessary access without altering the overall role hierarchy or creating unnecessary sharing rules.