There is no such thing as an 'Abstrator'. There is however 'abstractor'. It means "one who makes abstracts or summarizes information".
Contract abstration means you are creating data for that particular contract for example: Party name, effective date, end date. etc.
Very hard to pin this one down! I assume you are talking abstraction as in computer programming. Philip Greenspun had lots to say about it, but I think it would just have been one of these concepts that arise when a group of programmers are working together and adopt a common word to describe a process that they develop. Lisp developer (originated at Xerox's Palo Alto Research Center) certainly utilised abstraction techniques way back in 1958. C
Educational background is less important than actual commercial real estate industry experience. Market Resarch analysts, financial analysts and appraisers from Commercial real estate firms are good candidates. People with business, legal, para-legal, and financial degrees tend to be hired by commercial real estate services firms. Skills required: eye for detail ability to summarize legal clauses to the least amount of words but that retain the vital information Technology: must be able to learn various lease administration platforms used by clients and assimilate client protocol with lease abstration protocol