One of the basic principles of Christianity is that you 'hate the sin but love the sinner' do you truly NOT know this?
Do you not know that islam was originated by a disgruntled Christian who admitted himself he was possessed by the devil, was a documented pedophile, war monger, slave owner, etc..
As a true Christian if someone is guilty of theft, slander, even murder I would hope you understand the basics enough to love the sinner but hate the sin. This is the same with islam -- they are humans -- they also deserve you love even if they sin or spread and believe lies -- you shouldn't need to be told this.
I see by your responses that you haven't journeyed very far in your faith/understanding, but that in time you will hopefully understand what I've tried to explain to you.
God Bless.