Even James Arminius didn’t believe Christians could lose their salvation. ‘tis a pitiful savior that can’t securely hold on to his own. But it’s also true that a truly converted person would turn from idolatry, growing more and more aware and broken over his rebellion against almighty God.
More likely that those given to idolatry as Randall described are not in Christ. It is, after all, a narrow gate and broad is the path to destruction. That second one is much easier to find and is the only one man can find without the work of the Holy Spirit.