Difference between Dean and Doyen

What is the difference between Dean and Doyen?

Dean as a noun is a senior official in a college or university, who may be in charge of a division or faculty (for example, the dean of science) or have some other advisory or disciplinary function (for example, the dean of students) while Doyen as a noun is a commander in charge of ten men.

We hope you now know whether to use Dean or Doyen in your sentence.