Judges 4:17 KJV
Howbeit Sisera fled away on his feet to the tent of Jael the wife of Heber the Kenite: for there was peace between Jabin the king of Hazor and the house of Heber the Kenite.
My interest in this passage stems from another,
Judges 4:11 KJV
Now Heber the Kenite, which was of the children of Hobab the father in law of Moses, had severed himself from the Kenites, and pitched his tent unto the plain of Zaanaim, which is by Kedesh.
And then I will follow that with
Numbers 10:29 KJV
And Moses said unto Hobab, the son of Raguel the Midianite, Moses' father in law, We are journeying unto the place of which the LORD said, I will give it you: come thou with us, and we will do thee good: for the LORD hath spoken good concerning Israel.
Jael is married, not to a Jew, but to a member of the family of Gentiles Moses had married into and subsequently invited to come with them through the wilderness and into the land promised by God. Moses' exact words were, "come thou with us, and we will do thee good."
Certainly God had done them good and Israel had passed that goodness on to Hobab.
But now, the goodness is returned.
Sisera, a Gentile, believed that Jael, also likely a Gentile and certainly married to a Gentile family, would find security in this place. He was dead wrong.
Treating people with kindness and sharing with them the blessings of our God will always return many rewards. We never know who or when or what will be the circumstances of it, but when we reach out to others with the Gospel message, when we do what is the most God we can ever do another man, and extend to them the favor that God has extended to us; we may be assured the reward will come.