call out

US /kɔːl aʊt/
UK /kɔːl aʊt/
"call out" picture
1.

to shout or say something loudly

:
She had to call out his name several times before he heard her.
The teacher had to call out the student for cheating.
2.

to summon someone to come to a place or to do something

:
The manager had to call out an extra team to handle the emergency.
The union decided to call out its members for a strike.