Altruism is the practise of helping and being concerned about the welfare of other people. Altruism is a key element in many religions and is the opposite of selfishness and egoism.

Rapture, in Christianity, refers to the end of the world, where all the followers of Jesus Christ will be taken into the Kingdom of Heaven.
Hill is saying that people constantly think about Heaven as an escape, a way to forget about the atrocities happening on earth.

Fetishism is the belief that an object holds supernatural powers or power over something. Historically it has been used by European travellers to describe the objects used in religious cults by West African natives.

Technically fetishism can be applied to almost any religion but it is almost always used to describe traditional African religions as well as Voodoo, and is often associated with witchcraft.

Legalism is the principle of strictly adhering to laws or codes which will lead to spiritual enlightenment or salvation, e.g. Religion.

A heathen is a derogatory term for someone who does not follow the God of Judaism, (i.e someone who is not Jewish, Christian or Islamic). Heathen is a term often used to describe followers of polytheistic, pagan, religions. In the Middle Ages women were commonly accused of being heathens and witches and were killed because of it. http://www.youtube.com/watch?v=GpMjakNhZTc

Egoism is the belief that individuals should only do things that are in their own self-interest.

Barbarism is the absence of culture and civilisation. The term Barbarian often refers to the savage tribes of Germanic people, such as the Gauls, that lived in Europe throughout the Iron age and Roman Age. These tribes were involved in constant conflicts with the Roman Empire and eventually caused the Empire to fall.

Anarchism is a political philosophy that advocates stateless societies often defined as self-governed voluntary institutions, but that several authors have defined as more specific institutions based on non-hierarchical free associations.

Pessimism, which comes from Latin word pessimus meaning ‘the worst’, is the state of mind where you believe that negative things in life outweigh the positives. Pessimists expect negative outcomes in life whereas a optimist would expect something positive.

A situation commonly used to describe pessimism is the “glass half empty or full”. A pessimist will look at the negative side and say that the glass is half empty, whereas a optimist will think positively and say it is half full.