Fill up the blank with the name of phobia:
Some people are terribly scared of strangers .You can find such people suffering from ________.

Xenophobia

The answer is Xenophobia. Xenophobia is the fear of strangers or foreigners. It is an irrational or disproportionate fear that can cause people to avoid strangers altogether, or to experience severe anxiety when they are around strangers.

The other phobias you mentioned are:

• Acrophobic: fear of heights
• Bibliophobic: fear of books
• Nyctophobic: fear of the night