๐๐ผโโ๏ธ represents man raising hand: medium-light skin tone, shown as a man with one arm raised straight up.
This usually means volunteering, asking a question, or signaling presence in a group.
For example, people use it for 'I can help ๐๐ผโโ๏ธ' or 'I have a question about the plan'. It also fits group polls, roll calls, and quick replies to confirm participation.