Wyo. Stat. § 3-2-301 (2026)

(a)    As used in this article:

          (i) "Caregiver" means a person, other than a natural
parent or legal guardian, who is at least eighteen (18) years of
age and is the primary physical custodian and a relative of a
minor child;

          (ii) "Child" means a person under eighteen (18) years
of age who is in the primary physical custody of a caregiver;
          (iii) "Relative" or "related" means the relationship
of parent, stepparent, grandparent, great-grandparent, sibling,
stepsibling, half sibling, uncle or aunt.