Hey and thanks for your comment - you hit me really right away. I am believing Christ and I ask you: why should one influence to believe in the lord, to believe in christ?
"Thus saith the Lord; Stand in the court of the Lord's house, and speak unto all the cities of Judah, which come to worship in the Lord's house" - It does not mean one has to be christian at all. The lord is the same that Judaism believes in - the books they believe in are the same we do believe in, it is our Old Testament. The lord we believe in is also Allah. Arabic christs and jews use Allah as their word for the Lord. Allah is used in their bible translations as well.
Lā ilāha illā ʾllāh(u) لا إله إلا الله - there is only one god. It's the first rule the Lord gave Moses. I ask and challenge you: why are there so many parallels between the religions? We all believe in the same. The Islam also knows about Jesus Christ and accepts him beneath Mohammad.
So why do we need to challenge everyones believes, why do we need to influence the faith and lead everyone to what we think is the right religion? Why can't we all live together?