ordinary person; average person
Refers to a person without special abilities or status; often used in contrast to experts, geniuses, or extraordinary individuals.
He has a level of concentration that is hard to believe for an ordinary person.
It's an idea that an average person cannot understand.
常人 means an ordinary, normal person, the opposite of the strange and enigmatic 怪人.
変人 describes someone unusual or eccentric, while 常人 refers to an ordinary, normal person.
常人 means an ordinary, sane person, the opposite of 狂人, a madman.
citizen's arrest
Compound of 常 (じょう, 'usual, ordinary') and 人 (じん, 'person'). The reading じょうじん is the standard on'yomi combination.