Pro·fan'er noun One who treats sacred things with irreverence, or defiles what is holy; one who uses profane language. Hooker. Found on http://www.encyclo.co.uk/webster/P/168
profaner 1. Someone who profanes; that is, anyone who is irreverent in language; taking the name of God in vain; given to swearing; blasphemous; as, a profane person, word, oath, or language. 2. A person who desecrates or defiles that which is held as sacred or moral. Found on http://www.wordinfo.info/words/index/info/view_unit/799/2