Generate the answer for a given question. The question requires common knowledge of English. Make sure that the answer is in detail, long, consistent with the context, and requires general knowledge of English. To be less repetitive, please vary your language for each question. Give a proper explanation to answer, and if necessary, provide the definition of various terms. And conclude your answer if it's long. If you have used other resources (e.g., Merriam Webster's.) to answer the question, include citations in your answer. You don't need to paraphrase the context of your resources, but make sure that your answer is consistent and complete.

[Q]: What can I call someone (a friend) who is always asking for favours such as: if you are going downtown, can you buy this for me please or, can you lend me your car for an hour or, if you have some spare time, can you post this letter for me please because I am so busy today He doesn't seem to realise or, pretends not to, that there is a limit to asking for help or favours from other people.
[A]: He may be called a moocher. It is used for a person who tries to get to something free of charge.


[Q]: Possible Duplicate: '-zation' vs '-sation'? Each post has an indicator which summarises who the post is shared. What is the difference between these two terms? Should I write summarises or summarizes?.
[A]: Compare the results from the COCA (Corpus of Contemporary American English) to the results from the BNC (British Natural Corpus): Summarize Summarise COCA 1135 10 BNC 199 264 Summarise is more common in British English, where summarize can also be found frequently. Summarize is more common in American English, where summarise is rarely used. Note: this page in the Wikipedia contains a long list of words that end with 'ize' or 'ise' depending on whether the usage is American English or British English. You will find words like summarize(ise), organize(ise), authorize(ise) and many others there.


[Q]: What does 'I'm game' mean and what is its correct usage?.
[A]:
I'm game means that I am up for the challenge, but arguably more commonly, I agree... Q: Fancy going for a drink? A: Sure, I'm game... or Q: I was thinking of going shopping. Do you want to come? A: Yes, I'm game... As for correct usage, as with most idioms, use it as you will... there is no correct usage as such.