Church ministers are not protected by federal anti-discrimination laws the Supreme Court has ruled unanimously in Hosanna-Tabor Evangelical Lutheran Church v. EEOC.  The ruling applies to ministers not all church employees, although the Court gave little guidance as to who is a "minister" and who is just a church employee.  You can read further about the case: Supreme Court: Discrimination Laws Do Not Protect Certain Employees of Religious Groups in the Washington Post, Religious Groups Given Exception to Work Bias Law in the New York Times, and Court: Certain Religious Employees Can't Sue for Job Bias in USA Today.