'Faith' in the Bible

And the bramble said to the trees, 'If in good faith you are anointing me king over you, then come and take refuge in my shade; but if not, let fire come out of the bramble and devour the cedars of Lebanon.'

"Now then, if you have been acting in good faith and integrity by making a king out of Abimelech, if you have treated Jerubbaal and his household appropriately by acting toward him as he deserved

So if you've acted in good faith and integrity toward Jerubbaal and his household today, then you're welcome to Abimelech, and he's welcome to you"

Meanwhile, Ebed's son Gaal arrived with his relatives and crossed over into Shechem. The "lords" of Shechem put their faith in him.

So the children of Benjamin saw that they were overcome: and the men of Israel had given way before Benjamin, putting their faith in the watchers who were to make the surprise attack on Gibeah.