I know that when I became a Christian, I faced a lot of opposition from my family. Not that they were opposed to me becoming a Christian, but they were taken aback by my own obnoxiousness about it.
Admittedly, my problems were of my own making. My zeal locked my common sense in a closet for about two years and I completely went off the deep end.
I got rid of all of my mainstream music and books and made sure to show my disgust at people who would have a drink.
Basically, I became the stereotypical characature of a Christian.
I made such an obnoxious jerk of myself that I even turned off other Christians! More than ten years later, I still have brothers and sisters in Christ that I haven't talked to because my behavior, well intentioned as it was, burned those bridges. That I will never again have that relationship with people who I loved so much is one of the great disappointments of my life.
Thank God, my family stood by me. My sister having spent about a year as a teenager in the same boat as me prepared them for it.
If you're a Christian, particularly a new Christian, don't do what I did.
Having fifteen years of walking with Christ behind me, I would do it a lot differently this time around.
The first thing I would do is realize that it's not my job to save these people, it's God's and He will move on their hearts to draw them to Himself as He wills, not as I will. My job is just to be ready when He decides to move, not to move on His behalf.
Don't stick tracts into every available crevice. That's just obnoxious.
Realize that God hasn't called every person to be in the same place you are at that moment. Just because you're riding some spiritual high at the moment, don't expect another person to be there, too, and don't push them to be there if they're not.
Each of us in an individual, loved by God, not targets for evangelism or faceless demographics.
Sorry to ramble but I guess the bottom line is just show grace. Remember that when Jesus met with sinners, He didn't put a lot of rules on them or hold them to unreasonable expectations.
He treated them with respect, dignity, love and, often times, friendship.
I would give anything if I could go back and do that to the people I alienated.