👉 In linguistics, the term "omnifidel" is used to describe a person or thing that can be easily influenced by external factors. It refers to an individual who cannot distinguish between different influences and remains loyal to them despite changes in their environment. This concept was first proposed by philosopher David Hume in 1802, but it has gained more widespread acceptance over time as the idea of a person's ability to be "omnifidel" has become increasingly influential within philosophy