one

(impersonal, indefinite, pronoun)One thing (among a group of others); one member of a group.

Any one of the boys.

Every one of the bank’s employees.

(impersonal, pronoun, sometimes)The first mentioned of two things or people, as opposed to the other.

She offered him an apple and an orange; he took (the) one and left the other.

I am one of the few women who've climbed Everest.

(indefinite, personal, pronoun)Any person (applying to people in general).

One’s guilt may trouble one, but it is best not to let oneself be troubled by things which cannot be changed. One shouldn’t be too quick to judge.

My neighbor talks to one like a teacher.

man, einer

челове́кčelovék, ну́жноnúžno, нельзя́nelʹzjá

(pronoun)Any person, entity or thing.

"driver", noun: one who drives.

(Manglish, Singlish, uncommon)Used as a relative pronoun at the end of a relative clause.

The bird that make a lot of noise one is gone already.