This is the 14919th most frequent German word.
rufen
"Rufen" means "to call" or "to shout" in English.
Here, 'rufen' means to call in the sense of addressing or summoning someone.
Der Lehrer ruft die Schüler zur Ordnung.
The teacher calls the students to order.
In this sentence, 'rufen' is used in the compound verb 'anrufen', meaning to call someone by phone.
Ich rufe meinen Freund später an.
I will call my friend later.
In this case, 'rufen' means to call out or shout aloud to attract attention.