er

er

"He" (third-person singular masculine pronoun).

In this sentence, "er" is used as the subject pronoun for a singular male subject, referring to an unspecified male person.

Er liest ein Buch.

He is reading a book.

Here, "er" functions similarly as a subject pronoun for a singular male subject, indicating the person being referred to is a male teacher.

Er ist Lehrer.

He is a teacher.

In this example, "er" appears again as a subject pronoun referring to a singular male person in the second clause, emphasizing the subject in relation to another event.

Gestern habe ich ihn gesehen, aber er hat mich nicht gesehen.

Yesterday, I saw him, but he did not see me.