The 'person tipping hand' emoji conveys a friendly greeting.
Unicode: U+1F481 U+1F3FD
The 'person tipping hand' emoji depicts a person with a medium skin tone, tipping their hand as if to say hello or greet someone. It is often used to convey a friendly or polite greeting, or to acknowledge someone's presence or message.
"ðð― Hi there! Welcome to our team."
"ðð― Just wanted to say thanks for your help!"
"ðð― May I have your attention, please?"