The Judgment Seat of Christ is the Day of Christ and will be occuring while the Trib. is happening on earth.
But, you can think of no biblical passage that specifically illustrates that event? I can’t. We surmise it to be here or there.
It is not legitimate to believe in Jesus as Savior but not as Lord. Sincere belief trumps insincere belief any day.
Wesley took it even further as a 2nd work of grace in which the Lord touches us a 2nd time so that our whole desire is to love God with our whole heart, soul, mind, and strength.
I don’t see insisting on sincerity of belief as being anything bad.
Romans 10:13 is the summary of it all, but Romans 10:9-10 is the details of it.