Noun
One who is not a god; a human being.
(idiomatic) An ordinary person, without special expertise or status.
Source: en.wiktionary.orgThere are no ordinary people. You have never talked to a mere mortal. C. S. Lewis
Mountains inspire awe in any human person who has a soul. They remind us of our frailty, our unimportance, of the briefness of our span on this earth. They touch the heavens, and sail serenely at an altitude beyond even the imaginings of a mere mortal. Elizabeth Aston