Talk to a school counselor, for one thing. Need to build your self esteem, if you know you are not gay, then just ignore the idiots. Of course you can also start going out with girls or have a girlfriend, and that should shut the guys up too. Most likely the guy who called you a homo...
Same reason they have a massive geneology program-- to identify every human they can in the past and pray them into their kingdom of heaven. Not sure why they can't just say pray for everyone who ever lived in one short prayer and call it good. But does make for good geneology research.
Needs to be a wireless router to provide service to other rooms; or you would have to run a ethernet cable. Most newer computers have wireless capability but as said the router has to have the capability of transmitting it too.