A mitzvah for an aveira? or at someone else’s expense? Home › Forums › Decaffeinated Coffee › A mitzvah for an aveira? or at someone else’s expense? This topic has 68 replies, 1 voice, and was last updated 15 years, 12 months ago by eisheschayil. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In