Who can be called "Mr" in Japan?

Old gentleman (occupying としての). ▼ Now the word "sir" is widely used in schools.

■ Mr. Teaching/Mr. School.

(2) ... Silas ▼ A famous scholar and learned person, honorific, a "などにする".

■ Mr Lu Xun/Mr Lu Xun.

(3) ... さん ▼ Male にする. Especially foreigners にしてと.

■ Mr. Suzuki/Suzuki.

ののににはには "Ladies and gentlemen", sir ..., madam ... にし

(4) people? Self-identity. ▼ぃずれのももをする.

It is said that her husband/daughter/master is ill.

■ Husband just went out/master just left.

■ Is your husband at home? /The host is at home.

(5) doctor.

■ The child is ill, please ask a gentleman to see him/her. The doctor will call him/her.

(6) "old" lecturer? Is it easy? Dear sir, the accounting department, the store.

■ Fortune teller/changer. Accounting.

■ Gentleman/shop work, pay the bill.

■ Storyteller/lecturer.