The story
First known use, by meaning
- from 16th c. A person who conforms to current opinions, especially for reasons of personal advantage; an opportunist.
- from 19th c. Someone who performs a job for the required time only, making a minimum of effort.
- 16th c. Someone who honors their commitments only when it is personally easy to do so.
Etymology from Wiktionary, CC BY-SA 4.0.