A hand with the index finger pointing straight forward at the person viewing the emoji.
The meaning of this emoji is equivalent to the "you" pronoun, and is also used to point at something, to draw attention, to accuse of something, and as an alternative to the❗Exclamation mark.
Include the emoji as a rhetorical device to contact the recipient. Or send it in a separate message at the beginning of a correspondence, thereby drawing attention to the significance of the question.
You can also use?"Index Pointing at the Viewer" if you're responding to the question "Who?!" when your answer is referring to the person you're talking to. Finally, use emoji literally, such as in expressions like "Stop pointing your finger!".
Index Pointing at the Viewer was approved as part of Unicode 14.0 in 2021 and added to Emoji 14.0 in 2021.
U+1FAF5