Which of the Following Is Correct About Employees Who Are

Which of the following is correct about employees who are union stewards?

A) Arbitrators give them more leeway than they would other employees for arguments/ remarks made to management in a grievance meeting.
B) Arbitrators might uphold more lenient penalties for them as opposed to other employees for identical participation in a wildcat strike.
C) Arbitrators consider them no differently than any other employee.
D) They cannot be discharged by management because of legal protection under the National Labor Relations Act.
E) Union stewards actually have less responsibility when it comes to disciplinary matters.