You are the head of teamwork and you have someone on your team who is hearing impaired . He is agreat worker and can speak but sounds very different than evertone else. Some people make fun of him...

You are the head of teamwork and you have someone on your team who is hearing impaired . He is agreat worker and can speak but sounds very different than evertone else. Some people make fun of him behind his back. You find it embarrassing and bad for teamwork .what should you do ?