IPA: //nɒnˈpɛərənt//
KK: /nɑnˈpɛrənt/
A person who does not have children or is not a parent.
The nonparent volunteers helped organize the school event.
Nonparent → It is formed from "non-" (meaning not) and "parent" (from Latin "parens", meaning father or mother). The word "nonparent" refers to someone who is not a parent.
Think of 'non-' meaning 'not' and 'parent' referring to a father or mother — so a nonparent is someone who is not a parent.