1. （广播或电视节目的）主持人
A radio or television presenter is a person who introduces the items in a particular programme.

1. person who makes a gift of property

Synonym: donorgiverbestowerconferrer

2. an advocate who presents a person (as for an award or a degree or an introduction etc.)

Synonym: sponsor

3. someone who presents a message of some sort (as a petition or an address or a check or a memorial etc.)