person

person /ˈpɚsn̩/ noun
plural people or persons
person
/ˈpɚsn̩/
noun
plural people or persons
Britannica Dictionary definition of PERSON
[count]
1 
◊ The plural of person is usually people except in formal or legal contexts, where the plural is often persons.
a  : a human being
— sometimes used in compounds to avoid using man or woman — see also missing person
b  : a person who likes or enjoys something specified
— see also people person
2 
law plural persons : the body or clothing of a person especially when considered as a place to hide things

in person

— used to say that a person is actually present at a place

in the person of

formal
— used to say that someone is the person who does something, provides something, etc.