1.
guest, visitor
A person visiting someone's home.
お客さんが来た。
A guest arrived.
お客さんにお茶を出した。
I served tea to the guest.
明日、お客さんが家に来る。
A visitor is coming to our house tomorrow.
2.
customer, patron
A person who buys goods or services from a business.
お客さん、何をお探しですか?
Customer, what are you looking for?
今日はお客さんが多い。
There are many customers today.
お客さんを大切にする店だ。
It's a shop that values its customers.
RELATED TERMS:
- お客様: more formal, used in business contexts
- 客: customer (less polite)
- 来客: visitor (formal)
USAGE NOTE:
In shops, staff often address customers directly as お客さん or お客様.