Question

What's a word that means "someone who leads by example"?

Answer 1

an `color(red)("exemplar")`

Explanation:

Note that this is not a common term; unless your essay is aimed at a sophisticated audience, it probably would be better just to say "a person who leads by example".

Answer 2

"_ is a good person because he/she leads by example."

...change to something like:

"_ displays strong qualities of a role model".
" _ is the epitome of leadership/responsibility/etc"

Answer 3

A simple term for someone who leads by example is a role model.

Explanation:

Plain or sophisticated, we need more positive role models (or exemplars).
Note: A role model is a person; an exemplar may be a person or a thing.