It is not forbidden for a Muslim man to love a Christian girl but after concluding a licit marriage. Any form of dating or sexual relationships between man and woman outside marriage is forbidden per Islam religion teachings.
The marriage between a Muslim girl & a Hindu guy is forbidden whatever is the creed of that Muslim girl. She can be married to that Hindu guy only if he becomes a Muslim.
Intermarriage
Forbidden
No it is not.
Haram.
No, masturbation is forbidden in Islam
It is haram (forbidden) for the Muslim girl and Muslim boy to be left alone in a room together, or car etc. It is also haram (forbidden) for the Muslim girl and Muslim boy to have sex, make out (as in kissing and touching each other sexually) before marriage. By doing this it is called zina (fornication).
a Muslim is forbidden to work in any place that sells alcohol
They can. It isn't haram, or forbidden.
Harem
Nothing. It is forbidden in Islam for a Muslim lady to marry a non-Muslim man. Peace.