Arabic term (edited): ���� �����

However, I think it would be best to either italicise the Arabic term and then explain what it means or put parenthesis around the term "tax collector" and then explain its specificity. صاحب المكس literally means a person whose job it is to collect taxes but collects unjust taxes that burden the tax payer - that's why he is condemned (not unlike a Robin Hood scenario). The term "maks" is also a bit of a hot potato nowadays as people interpret it to mean tax evasion!

http://islamic-world.net/economics/word/s.htm
saahib al-maks Tax-collector. Tech: Tax-collector in the market who would take as tax more than what is due. Such a dishonest official has been condemned by the Prophet.

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Those are people you borrow $1 and return it in a short period $10

Arabic term (edited): ���� �����

All links are used only as references and do not express opinion or any kind of suggestion.
Anybody may suggest a better translation, mine is only (اجتهاد)
المكوس هي الأموال المأخوذة بغير الحق. وقد جاء ذكر المكس في بعض الأحاديث.
.«لا يدخل الجنة صاحب مكس» وقوله صلى الله عليه وسلم: «صاحب المكس في النار»
http://www.muslimworldleague.org/paper/1761/articles/page12....

وردت أحاديث بكراهية اخذ العشر وذم العاشر وصاحب المكس وهو صاحب العشر أيضا , والسبب في ذلك يرجع إلى أن ملوك العرب والعجم كانوا يأخذونه قبل الإسلام من أموال التجار إذا مروا بها عليهم
http://the-amazing.us/uruklink/trade/page6_t16.htm

المكوس أو الجمارك أو الضرائب أو العشور التي يأخذها الظلمة، وتُؤخذ بغير وجه حق، وبغير وجه شرعي فكلها بمعنى واحد، وكلها حرام، ويكفي في تحريمها قوله صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ في المرأة التي رجمت: { لقد تابت توبة لو تابها صاحب مكس لقبل منه }.
http://www.alhawali.com/index.cfm?fuseaction=paragraphs&Cont...

صاحب المكس : من يُعاون الظلَمة في أخذ أموال الناس بالباطل
http://www.alminbar.net/alkhutab/khutbaa.asp?mediaURL=3054#_...

المكس هو الظلم وأخذ مال بدون وجه حق شرعي، ومن ألوان ذلك الميسر
http://www.islam-online.net/livefatwa/arabic/Browse.asp?hGue...

Arabic term (edited): ÕÇÍÈ ÇáãßÓ

This is not an answer, it is a comment on all the answerers. Note that مكس is a sort of tax / custom duties taken at entry points. It has nothing to do with being rightfull or taken wrongly. Note the area called El Mex in Alexandria. Note what Amin Sami mentions in his book تقويم النيل covering the reign of Mohamed Ali to Ismail. It was the name given to what we now call ضريبة جمركية

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Note added at 5 hrs 42 mins (2004-10-09 21:13:16 GMT)
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It has nothing to do with the context. However, it is a note regarding the usage of the word through medieaval and modern times