anybody

someone

Unnamed individual

• personHuman individual
• individualOne separate human being
• oneLowest positive integer

whoever · whomever · anyone · living soul

whoever

Any person at all

• John DoePlaceholder for unidentified males
• Jane DoePlaceholder for unknown woman
• facelessLacking identity or features

nameless · unremarkable · average person

everyone

All people collectively

• allThe complete quantity
• eachEvery one individually
• one and allEvery person included

all comers · any and all · the lot · without exception

who

Person-asking pronoun

• someoneUnnamed individual
• volunteersUnpaid willing workers
• candidatesThose seeking selection

respondents · participants

• peoplepeople, persons, person, individuals, humans
• The Whoperson, people, someone, anyone, everyone
• polarity wordsany, anyone, anything, anywhere, ever
• quantifiersall, any, every, each, both
• pronounsI, me, him, he, my
• placeholdersplaceholder, bar, blank, dummy, filler