quidam

CIDE DICTIONARY

quidam, n. [L.].

 Somebody; one unknown.  Spenser.  [1913 Webster]

ROGET THESAURUS

quidam

Mankind

N man, mankind, human race, human species, human kind, human nature, humanity, mortality, flesh, generation, anthropology, anthropogeny, anthropography, anthroposophy, ethnology, ethnography, humanitarian, human being, person, personage, individual, creature, fellow creature, mortal, body, somebody, one, such a one, some one, soul, living soul, earthling, party, head, hand, dramatis personae, quidam, people, persons, folk, public, society, world, community, community at large, general public, nation, nationality, state, realm, commonweal, commonwealth, republic, body politic, million, population, tribe, clan (paternity), family (consanguinity), cosmopolite, lords of the creation, ourselves, human, mortal, personal, individual, national, civic, public, social, cosmopolitan, anthropoid, am I not a man and a brother?.