They are no more dangerous than people who like the opposite sex.
There are no countries that "don't let gay people in" because sexual orientation is not checked in Customs. However there are countries that are extremely dangerous for gay people. Specifically, gay people are strongly urged never to visit:YemenIranMauritaniaNigeriaQatarSaudi ArabiaAfghanistanSomaliaSudanUgandaAlgeriaJamaica (anti-gay laws are strictly enforced)EgyptKenyaTanzaniya
Unless you go to a gay club then it is difficult to know who is gay and who is straight. It can be dangerous to assume another man is gay. There are all sorts of clubs and other places to meet gay people; perhaps volunteer for 'gay rights.'
You can meet gay people but you can't "get" gay people.
No more than being straight.
Yes, gay people are actually gay.
Yes, very gay they are so gay that they eat gay people haters
well, gay people are still around so your question should be- what ARE gay people, and gay people are people who like people of the same gender.
Gay people have their own interests and should not force them on others.
Gay people only follow other gay people.
Yes, all gay people are gay. It's not something people pretend to be.
It depends on what country you're talking about, but in most places (including North America and Europe), gay people had to be completely closeted or risk prison or dangerous therapies and mental asylums.