Are you claiming that if a person smokes tobacco they cannot be a Christian? How strange, given that such a thing is never mentioned in the Bible. Some of the other things you mention ARE biblical, of course. Christians are not to be immoral, thieves, liars or gossipers. Yet the Bible also says that some believers who DID gossip, or lie, or fell into temporary immorality, still remained God's people (though they had to repent of those sins.) After all, if that was not the case, King David would have been kicked out of the kingdom by God after his adultery and then ensuring the woman's husband was killed in battle. That was after David had been God's anointed one for many a long year, and it took him a year to repent.
I know some people claim that the biblical statement about our bodies being "temples of the Holy Spirit" can be seen as an injunction against 'polluting' your body with tobacco, but once you start to go down that line, where do you stop? What about polluting your body with the chemicals in tea and coffee and alcohol, or bad trans-fats, or breathing in fumes from cars or contributing to polluting the atmosphere by using aeroplanes a lot? Anyway, whatever your take on that, the point is that nowhere in the Bible is our salvation dependent on being as bodily pure as possible. Once God saves us, the Holy Spirit continues to do His work in our lives - changing our thinking, our desires, and our habits, so that we become more and more Christ-like as we mature in the Christian faith. Sadly, none of us will be able to meet ALL the requirements for living godly lives this side of eternity, so it's never a good idea to look at other people, pointing your finger at them with regard to something you feel superior about.
For your information, I've never smoked tobacco in my life, and never will.