Yes; the term lay witness refers to an eyewitness or character witness, someone who has knowledge pertaining to the case but is not a certified expert in a field like a science, etc. They testify just as any other witness would, and are subject to cross-examination as well, like any other witness.

A lay witness is a character witness or other person who is called on to testify and is not considered an expert.

Lay witness

In mocktrial there are only two types of witnesses, LAY witness which is a witness with first hand knowledge. And the other one is an EXPERT witness which is a person lke a doctor or a bartender ect.

To lay, as a stake; to wager., To lay down., To assert under oath; to depose., To testify under oath; to depose; to bear witness.