callon
verbUK /ˈkɔːl ɒn/
US /ˈkɔːl ɑːn/
To call on someone means to visit them or ask them to do something.
The teacher will call on you to answer the question.
OTHER MEANINGS
2. To ask someone to speak or answer, especially in a class or meeting.
The host called on the next person in the audience.
3. To formally ask for something, like help or support.
The school called on parents to help with the fair.
4. To visit someone for a short time.
We will call on Grandma after lunch.