But even if you should suffer for what is right, you are blessed. "Do not fear their threats; do not be frightened." (NIV)
But even in case you should suffer for the sake of righteousness, [you are] blessed (happy, to be envied). Do not dread or be afraid of their threats, nor be disturbed [by their opposition]. (AMP)
But and if ye suffer for righteousness' sake, happy are ye: and be not afraid of their terror, neither be troubled; (KJV)