0_Wizard
My mother is a professor .is an academic rank at universities 
Professor (commonly abbreviated as "Prof.") is an academic rank at universities and other post-secondary education and research institutions in most countries.
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Professor
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Lecturer
In the United Kingdom and Ireland, a "lecturer" holds an open-ended, tenure-track or tenured position at a university or similar institution, and is often an academic at an early career stage who teaches, conducts research, and leads research groups. Most lecturers typically hold permanent contracts at their academic institution. In terms of responsibilities and recognition, the position of an open-ended lecturer on a permanent contract is equivalent to assistant professor or associate professor in the North American academic system. This is a tenure-track or tenured position, although UK tenure has eroded since 1988.
Reader (academic rank)
The title of reader in the United Kingdom and some universities in the Commonwealth of Nations, for example India, Australia and New Zealand, denotes an appointment for a senior academic with a distinguished international reputation in research or scholarship. In India, the term used for a "reader" is "Associate Professor". In the traditional hierarchy of British and other Commonwealth universities, reader is an academic rank above senior lecturer (or principal lecturer in the new universities) and below professor, recognising a distinguished record of original research. Reader is similar to a professor without a chair, similar to the distinction between "professor extraordinarius" and "professor ordinarius" at some European universities, professor and chaired professor in Hong Kong and "professor name" (or associate professor) and chaired professor in Ireland.
Professor
Professor (commonly abbreviated as "Prof.") is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, "professor" derives from Latin as a "person who professes" being usually an expert in arts or sciences, a teacher of the highest rank. In most systems of academic ranks the word "professor", and particularly the unqualified word, only refers to the most senior academic position, sometimes informally known as "full professor". In some countries or institutions, the word "professor" is also used in titles of lower ranks such as associate professor and assistant professor; this is particularly the case in the United States, where the word professor is sometimes used colloquially to refer to anyone in an academic post.
Academic rank in Sweden
This article describes the academic positions and ranks in Sweden. The academic terminology for titles and positions at universities in Sweden includes the following:  In Sweden only full Professors are referred to as Professors. All others are referred to by their academic rank or academic degree. In Sweden, academic ranks and their corresponding required skills in teaching and research are defined in the University Law (SFS 1993:100) and the University Ordinance (SFS 1992:1434). The hiring of and promotion to the rank of professor is assessed in committee before being decided upon by the appropriate university official, usually the head of the department ("prefekt"), dean ("dekan") or head of the university ("rektor").
List of academic ranks
This list of academic ranks identifies the hierarchical ranking structure found amongst scholars in academia. The lists below refer specifically to colleges and universities throughout the world, although other institutions of higher learning may follow a similar schema. In Algeria, university teachers are initially recruited – on the basis of a competition – at the rank of "Maître Assistant" (Assistant Professor), only if they are holding a Doctoral degree from either local public universities or UNESCO officially accredited and internationally recognized foreign institutions of higher education.
Academic ranks in the United States
Academic ranks in the United States are the titles, relative importance and power of professors, researchers, and administrative personnel held in academia. For regular faculty (i.e., not counting administrative positions such as chairmanships or deanships, nor positions considered "staff" rather than faculty), the descending hierarchy in most cases is:   Somewhat outside the regular hierarchy:  [Note that while "Professor" as a "proper noun" (with a capital "P") generally implies a position title, the "common noun" "professor" in the US appropriately describes anyone teaching at the college level, regardless of rank; also, as a "prenominal" title of address, it can be capitalized without implying the title rank.
Universities in the United Kingdom
Universities in the United Kingdom have generally been instituted by Royal Charter, Papal Bull, Act of Parliament or an instrument of government under the Further and Higher Education Act 1992. For new public universities, approval is required from the Privy Council, while private universities may be granted the right to use the title by Companies House. The exact criteria for University title vary between the four countries of the United Kingdom. Degree awarding powers, which are three-tiered and allow the granting of foundation degrees, taught degrees, and research degree, are granted by the Privy Council on the advice of the Quality Assurance Agency.