delegate

中文： 代表、使节

1. A person authorized to act as representative for another; a deputy.
2. A representative at a conference, etc.
3. An appointed representative in some legislative bodies. (US)
4. A type of variable storing a reference to a method with a particular signature, analogous to a function pointer.
5. A member of a governmental legislature who lacks voting power. · The house of delegates in apartheid-era South Africa lacked any real voting power.

复数 delegates