(ひとり)

ひとり
noun
one person, alone
1. one person
The counter for one person, using an irregular reading.
一人(ひとり)います
There is one person.
一人(ひとり)ください
Table for one, please.
At a restaurant
()ども一人(ひとり)います
I have one child.
One friend came.
Out of the three people, only one can speak Japanese.
2. alone, by oneself
Also means 'alone' or 'by oneself.'
一人(ひとり)()きます
I'll go alone.
一人(ひとり)()んでいます
I live alone.
Eating alone is lonely.
I like watching movies by myself.
The first time I traveled alone, I was a little worried.

一人(ひとり) uses an irregular native Japanese reading (not いちにん). It means "one person" and also "alone."

IRREGULAR COUNTING:

  • 一人(ひとり): one person
  • 二人(ふたり): two people
  • 三人(さんにん): three people (regular from here)

COMMON EXPRESSIONS:

  • 一人(ひとり)で: alone, by oneself
  • 一人(ひとり)()らし: living alone
  • 一人(ひとり)(たび): solo travel
  • 一人(ひとり)(まえ): one serving; fully-fledged adult
  • 一人(ひとり)(): only child

NOTE: 一人(ひとり)で can imply doing something independently (positive) or being lonely (context-dependent).