Mongoloid is a term for certain asians. They share outward traits like epicanthic folds and fattier cheekbones for example. This caused people in the west to associate it with down-syndrome. After a while people realized the unfortunate implication and renamed the medical term âdown-syndromeâ instead.
The answer depends a lot on what country and what institution you're referring to. So there's no single answer. In the US, an instructor (also sometimes called a lecturer) is someone, often without a PhD, whose only job is to teach (part-time or full-time).
A professor, informally often known as full professor, is the highest academic rank at universities and other post-secondary education and research institutions in most countries.n some countries, the word professor is also used in titles of lower ranks such as associate professor and assistant professor. Professors conduct original research and commonly teach undergraduate, graduate, and/or professional courses in their field of expertise.