The "raised hand" emoji ✋ features a single hand facing forward, with fingers together and the thumb extended to the side. It can be used to represent a high five, a gesture of raising one's hand to ask a question, show agreement, or volunteer for something.

raised hand ✋ The raised hand emoji shows a human hand with all fingers extended but close together and the palm facing the user. The default color of this emoji is yellow, but other color variations are also available. This emoji is often used when the sender wants to ask somebody to stop a specific action or conversation.