gumUnderfoot runs when asked for proof, page-28

Paul is :-
Rom 11:13 "...For I speak to you Gentiles, inasmuch as I am the apostle of the Gentiles, I magnify mine office:
Rom 15:16 ".. That I should be the minister of Jesus Christ to the Gentiles,

Now tell us again the verses FROM Paul that supports your claims of :-
Because Paul tells us a believer who is sanctified can lose sanctification
it stands to reason that a believer who is justified can lose justification