the.com/lecturer

A professor's understudy who does the teaching but skips the tenure and the parking spot.

means Someone who delivers university lectures, often on contract, without the job security or research clout of a full professor.

from From Latin lectura, a readingback when teaching literally meant reading a manuscript aloud to students too poor to own books.

rank realityOften below professor, frequently on temporary contracts.
british flipIn the UK, lecturer is a respected permanent academic post.
original meaningOnce just meant one who reads aloud.
the.com/
the.com · generated