Bring out thy son, that he may die:because he hath cast down the altar of Baal,and because he hath cut down the grove that was by it.
And Joash said unto all that stood against him,Will ye plead for Baal? he that will plead for him,let him be put to death whilst it is yet morning:
if he be a god,let him plead for himself,because one hath cast down his altar.
Therefore on that day he called him Jerubbaal, saying,Let Baal plead against him,because he hath thrown down his altar. "
It took me just a little time to find it (I'm not awake yet), but it's a great example of responding to those followers of FALSE gods.
Jerubbaal and Joash of
Judges 6 and
Judges 7 are well worth your time.