For more on seeing “Faith” as “Allegiance”, I recommend spending some time with Matthew Bates’s work. “Gospel Allegiance” is a bit briefer, and aimed more at pastors and lay people.

https://www.youtube.com/watch?v=9CbqMMh_xb8 

https://www.amazon.com/Salvation-Allegiance-Alone-Rethinking-Gospel/dp/0801097975

https://www.amazon.com/Gospel-Allegiance-Misses-Salvation-Christ/dp/1587434296