🙇🏿‍♂️ represents man bowing: dark skin tone, usually shown as a man leaning forward in a deep bow. This usually means expressing a sincere apology, showing deep respect, or giving a very polite thank you. For example, people use it in chat for 'I am so sorry 🙇🏿‍♂️' or 'Thank you so much for your help 🙇🏿‍♂️'. It also fits formal requests and polite coordination.

🙇🏻 is person bowing: light skin tone, usually shown as a person leaning forward in a deep bow. This gesture usually means apologizing, showing deep respect, or offering a very polite thank you. People use it in chat for 'I am so sorry 🙇🏻' or 'Thank you for your help 🙇🏻'. It also fits formal requests, sincere apologies, or showing humble appreciation in a group message.

🙇🏾: person bowing: medium-dark skin tone, usually shown as a person leaning forward in a deep bow. This usually means expressing a deep apology, showing respect, or giving a very polite thank you. Use it for 'So sorry 🙇🏾' or 'Thank you so much'. It also fits requests for favors or showing humility in group chats.

🙇🏿‍♀️: woman bowing: dark skin tone, usually shown as a person leaning forward with a dark skin tone. This usually means expressing a sincere apology, showing deep respect, or giving a very polite thank you. For example, use it in messages like 'I am so sorry 🙇🏿‍♀️' or 'Thank you for your help 🙇🏿‍♀️'. It is also common in formal contexts to show humility and gratitude.

🙇🏾‍♂️: man bowing: medium-dark skin tone, shown as a person performing a deep bow with hands on the ground. This usually means expressing a sincere apology, deep respect, or a very polite thank you. Use it for 'I'm so sorry 🙇🏾‍♂️' or 'Thank you so much for the help 🙇🏾‍♂️'. It also fits formal requests or moments requiring great humility.