One of the most important signs in sign language, you can use “who” to clarify exactly who the signer is talking about. Sometimes, when things aren’t clear, this is an easy sign to interject with to get clarity.
Since "who" is a wh-question word, your eyebrows should be furrowed or lowered (a typical facial expression for wh-questions in ASL). This is an important aspect of the sign, as it conveys that you're asking a question.
If you're looking to learn more sign language, check out our other ASL resources. We constantly update these resources to provide you with useful new signs you can use in your day-to-day life.