call·er
noun/ˈkɔːlə(r)/
/ˈkɔːlər/
- a person who is making a phone call
打电话者 - The caller hung up.
打电话的人挂断了电话。 - an anonymous caller
打匿名电话的人
- The caller hung up.
- a person who goes to a house or a building
访问者；来访者 - You had a caller this morning.
今天早上你接到一个电话。
Extra Examples- Never open the front door to a caller unless you know the person.
千万不要给来访者开前门，除非你认识那个人。 - The caller gave a name I thought I knew.
来电者给出了一个我认为我知道的名字。 - The only regular caller to the house was the postman.
唯一常来家里的人是邮递员。
- You had a caller this morning.
- a person who shouts out the steps for people performing a square dance or country dance
（方形舞或土风舞中）喊出舞步的指挥