How to call someone who can is unable to speek?

You can refer to them as non-verbal or speech-impaired.

Verbal Cues:

- Name: Politely call their name or nickname.
- Tone: Use a gentle and friendly tone of voice.
- Movement: Gently touch their arm or shoulder to get their attention.

Visual Cues:

- Sign language: If the person uses sign language, use it to communicate their name or a simple greeting.
- Gestures: Use hand gestures to convey basic messages, such as pointing to an object or making an OK sign.
- Lipreading: If the person can lipread, speak slowly and clearly while facing them.

Written or Typed Communication:

- Notes: Write their name or a message on a piece of paper or use a notepad app on your phone.
- Text messages: Send a text message with their name or a simple greeting.
- Email: Send an email with their name or a brief message.

Other Methods:

- Assistive devices: Use assistive devices such as a communication board or electronic voice amplifier to facilitate communication.
- Apps: There are mobile apps that can assist with communication for those with speech difficulties.
- Interpreter: If necessary, use a professional sign language interpreter or communication assistant.

Additional Tips:

- Respect: Approach the person with respect and treat them as an equal.
- Patience: Be patient and allow plenty of time for communication.
- Collaboration: Work together with the person to find the best communication method.
- Practice: Practice communicating with the person regularly to improve your understanding and their confidence.
- Assistive technology: Explore assistive technologies that can enhance communication, such as voice recognition software or eye trackers.